javascript compression library

My work as a freelance was used in a scientific paper, should I be included as an author? How do I remove a property from a JavaScript object? WebGraph is a framework for graph compression. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. Thanks for your replies. As Javascript developers, we always want faster compile time and one of the biggest things that facilitates fast compilation is the size of the javascript files being compiled. With larger chunks, it is likely that a large size of code is affected and requires a re-download after code changes. The high build-time will not affect the website performance. For example. It can also optionally do more advanced stuff like decompression. Compression can help reduce the time needed to transfer scripts over the network. The most common example of lossy compression is JPEG compression for images. Follow to get the best stories. Javascript Compression Library Software ActiveX Easy Compression Library v.1.00 ActiveX Easy Compression Library is a high-performance and very easy-to-use compression and encryption library .This product has everything you need to compress and encrypt files, memory buffers and strings.Key features: Compression algorithms- Wide. "cannot read properties of undefined (reading '0')" Thanks a lot! PSE Advent Calendar 2022 (Day 11): The other side of Christmas, the user goes to my website, and choose an image via an. It has a neutral sentiment in the developer community. Make a new File object inside the callbackfunction body with let compressedImageBlob = new File([blob]). All codecs are copy from the Squoosh repo without modifying. You can take a look at canimage that does exactly what you want : https://github.com/nfroidure/CanImage/blob/master/chrome/canimage/content/canimage.js. Compress your JavaScript and keep an eye on your chunk sizes for optimal performance. Both apache and nginx will happily gzip up a dynamic response before returning it simply by adding the relevant line to enable the compression. Otherwise canvas will not be able to get the image's width and height correctly as the time canvas is assigned. . Express is a popular web framework for Node and provides a compression middleware library. Fastest lz4 compression library in Node.js, powered by napi-rs and lz4-flex. wasm image-compression. Disclaimer: I added a lot of sugar (around 4 hundred lines) to the UZIP and Pako APIs to make the demo clean and asynchronous, but the fflate API is unmodified. In fact, it's often sufficient to just resize the image to decrease it's size but if you want to go further, you'll have to use newly introduced method file.readAsArrayBuffer to get a buffer containing the image data. To compress, minimize or minify code simply refers to removing unnecessary characters from the source code like white spaces, new line characters and a host of redundant data without actually affecting how the code or resource as a whole is processed by the browser. JSZip is a javascript library for creating, reading and editing .zip files, with a lovely and simple API. A separate frameworks chunk is created for framework dependencies. directly browser-side, before uploading it. After compression, you can use it as is without doing anything special to it to get your browser to download it or get results. Otherwise, we can achieve a similar compression rate much faster with Gzip. And my favorite right now is pako. Following are some of the key terms relevant to our discussion. Example By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You can test here: This is so simple and useful. When you install the module, you can then choose from a suite of supported compression libraries to use to minify your file, really cool. Reduce the time needed to transfer scripts over the network. How can I validate an email address in JavaScript? One of them is lossy vs. lossless. For example, you can find instructions for enabling Brotli on the Apache server here. I have no idea what would be the compression ratio for this technique. Javascript Obfuscator can. You can take a look at image-conversion,Try it here --> demo page. It already has about 120 versions with the latest commit a few days ago. EDIT: I think question was not clear enough, i don't want to compress html files, i want to store some compressed LZMA files or any other compression format on server(like an obj file), and then i need to decompress them after i got it with AJAX. Changes are isolated to fewer chunks with smaller chunks. You can enable dynamic lossless compression on servers (including Node.js) that support different compression algorithms. See LICENSE.markdown. Received a 'behavior reminder' from manager. For static resources, a properly configured server will already do compression for you, and the browser will automatically decompress. Output Files. Address compression loss in case of multiple smaller chunks. Quick and powerful search engine 3. Most of the codecs are not lossless, so they would fit into your "downscaling" definition (i.e. It's an easier solution. It would help if you used dynamic compression with content that changes frequently or is application-generated. I am not looking for compressing javascript files! Image Courtesy: https://www.youtube.com/watch?v=whGwm0Lky2s&t=851s. All required dependencies are readily available - they have been downloaded together or are available in the cache. please, can you give me more detail about this example, how to call the function and how returned the result? It is really blazing fast and easy to use and compatible to the well known zlib, This looks promising: http://code.google.com/p/jslzjb/, What Erik said, http://code.google.com/p/jslzjb/. Only the code needed by the page/route should execute. At what point in the prequels is it revealed that Palpatine is Darth Sidious? Image courtesy: https://web.dev/uses-text-compression/#how-to-enable-text-compression-on-your-server. All versions are binary-compatible and further versions just incorporate ugly optimizations for JavaScript, so you shouldn't bother. The batch compression automatically starts when files are uploaded. Not simultaneous compression/decompression with gzip. Helping Startups with Infra problems at RunX so they can focus on their core product offerings. Clean code as well. https://www.npmjs.com/package/browser-image-compression. This doesn't really apply for dynamic responses. Checkout mod_deflate in apache or enabling gzip in nginx. As a result of this trade-off, the maximum number of chunks used today by most production apps is around 10. It is the best plugin so far, super easy to use and powerful. CGAC2022 Day 10: Help Santa sort presents! The deflate algorithm itself uses a combination of the LZ77 algorithm and Huffman coding on blocks of data in an input data stream. Weekly Downloads. Subsequently, Huffman coding identifies the commonly used references and replaces them with references with shorter bit sequences. I've not code anything right now, but I've thought about it already. It has 7745 star(s) with 1184 fork(s). Is the EU Border Guard Agency able to tell Russian passports issued in Ukraine or Georgia from the legitimate ones? The relationships between algorithms are similar for all bundle sizes (for example, Brotli 7 is better than Gzip 9 for every bundle size, and Gzip 9 is faster than Brotli 5 for all size ranges). Just in case if you were curios about the uploader(), here's the code of it: You can compress an image using the HTML element: See this blog post for an in depth explanation: https://img.ly/blog/how-to-compress-an-image-before-uploading-it-in-javascript/. javascript compression library. The code boxes are editable; try changing parameters or using a different compression format. PNG images are an example of lossless compression. Static Compression: You can use static compression to pre-compress resources and save them ahead of time as part of the build process. The Google Closure Compiler is with over 4500 on github is such a great tool; it is optimized for both efficiency and speed and there is constant support around it. Get the scale-down image by canvas.toBlob(callbackfunction(blob){}, 'image/jpeg', 0.5). I had an issue with the downscaleImage() function posted above by @daniel-allen-langdon in that the image.width and image.height properties are not available immediately because the image load is asynchronous. Code/Resize massive image in Base64 using ionic or angular9 (NOT using Javascript), Resizing Image on client side and save to server. With Lossless compression, the data recovered after compression and subsequent decompression will match precisely with the original. QGIS expression not working in categorized symbology, Expressing the frequency response in a more 'compact' form. . There are 33 open pull requests and 0 closed requests. Counterexamples to differentiation under integral sign, revisited. Go to 1 2 Freeware page 1 JavaScript Code Library 2.1.0.212 JavaScript Code Library is a powerful multi-language source code Library with the following benefits: 1. Snappy is seriously maintained (the last commit is some weeks old) and very robust. For dynamic ones like you want to query, it is more tricky but possible as well. Built in compression means that JavaScript applications will not need to include a compression library, which makes the download size of the application smaller. If you want to port the library to another language, here are some tips: Port the compress and/or decompress methods from the version 1.0.2. Not the answer you're looking for? Currently at version 3.10.12, Terser became a necessity when uglify-es was no longer maintained and there was no support for es6. Image courtesy: https://www.youtube.com/watch?v=ImjzA7EMI6I&list=PLyspMSh4XhLP-mqulUMcaqTbLo-ZJxSX5&index=29, As indicated by the triangle above, a loading granularity that tries to optimize one of the above goals can take you away from the other goals. How does legislative oversight work in Switzerland when there is technically no "opposition" in parliament? Loading granularity refers to the number of output chunksthe higher the number of chunks, the smaller each chunk's size and higher the granularity. Minification helps to reduce file sizes significantly, but compression of JS can provide more significant gains. Compress your JavaScript and keep an eye on your chunk sizes for optimal performance. Compression reduces the size of documents and files, so they take up less disk space than the originals. It would be best if you used static compression for files that do not change very often. Terser is a popular JavaScript compression tool for ES6+, and Webpack v4 includes a plugin for this library by default to create minified build files. Each component will also be individually built and tested, to understand its performance. For static resources, a properly configured server will already do compression for you, and the browser will automatically decompress. How do I copy to the clipboard in JavaScript? Let us now take a look at the communication about chosen compression format between servers and browsers. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, How to compress data on asp.net and uncompress in javascript. Your web-server (and the browser) should be capable of handling this transparently using gzip. Is this an at-all realistic configuration for a DHC-2 Beaver? That's still compression. Some chunks are more critical than others because they are loaded more frequently or are part of more impactful code paths (e.g., loading the 'checkout' widget). Find centralized, trusted content and collaborate around the technologies you use most. Which "href" value should I use for JavaScript links, "#" or "javascript:void(0)"? grunt-yui-compressor has no bugs, it has no vulnerabilities and it has low support. However, these elements contribute to the overall JavaScript size and are not necessary for execution on the browser. As accurately as you would expect, google has a javascript minifier too. if you want to pre-process images before uploading them to the server, please use this repo for reference. See 1 tip from 7 visitors to Lojas Edmil - Muzambinho/MG. tiny7z is a native C# SevenZip 7zip .7z file format archive reader/writer, Compress your data using F5 steganography algorithm, Crystal bindings to the LZ4 compression library, Bit Collections for Unity provides value type bit arrays and signed- and unsigned integers made out of an unconventional amount of bits and bytes. then you can use it inside your project as a promise like so: This is a web based javascript compressor with paste-and-compress capabilities you can use to create your .min files with ease. Unless you are dealing with some kind of streaming app. After compression, it is only 5kb, and the image can be compressed on the front-end page. This is intended to give you an instant insight into compressorjs implemented functionality, and help decide if they suit your requirements.. Resets the EXIF data from EXIF data; Parse orientation and rotation . Crystal bindings to the Zstandard (zstd) compression library, Assorted compression formats for the Sega Mega Drive. What does "use strict" do in JavaScript, and what is the reasoning behind it? Please add some information about the linked resources. Higher compression levels would require more time, and you would lose the advantage gained from the smaller content sizes. I would like to offer my own solution. Ultimately, pick the compression strategy that . How can I use a VPN to access a Russian website that is banned in the EU? Mathematica cannot find square roots of some matrices? Like GZip, Brotli too is a lossless algorithm based on the LZ77 algorithm and Huffman coding. In this article, we saw the need for js file compression and various tools and libraries that provide developers the platform to easily minify files based on their own values like speed, efficiency, compression ratio. These features help increase its efficiency as a compression algorithm. According to html5please.com and caniuse.com, supporting those browser is quite hard (thanks to IE), but could be done using polyfill such as FlashCanvas and FileReader. The canvas size is set to desired output size, Get the scaled-down data back from canvas via canvas.toDataURL("image/jpeg",0.7) (set your own output format and quality), Attach new hidden inputs to the original form and transfer the dataURI images basically as normal text, On backend, read the dataURI, decode from Base64, and save it. You can enable both static and dynamic compression using popular compression algorithms, but the recommended compression levels are different in each case. All major browsers support Gzip. Why does the USA not have a constitutional court? @Nicholas Kyriakides, this is not good distinction to make. Allow a larger number of chunks (40 to 100) with smaller chunk sizes for better caching and de-duplication without affecting performance. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. You can also use the TerserWebpackPlugin with older versions of Webpack or use Terser as a CLI tool without a module bundler. Crystal bindings to the xz (lzma) compression library. To reduce payload sizes, you can minify JavaScript before compression. -1, that library is broken, it returns "bytes" that are greater than 255. By shortening variable names to single characters. How do I make the first letter of a string uppercase in JavaScript? By joining closely placed variable declarations. This can be the best answer. I've added a demonstrator jsfiddle for psychowood's code sample should anyone need: ToBlob did the trick for me, creating a file and recieving in the $_FILES array on the server. You can combine compression with other techniques such as minification, code-splitting, bundling, caching, and lazy-loading to reduce the performance impact of large amounts of JavaScript. A potential solution that addresses these requirements is still in the works. Let us cover some basic definitions related to code-splitting and bundling before we proceed to how this affects compression. The granular chunking strategy helped several Next JS apps reduce the total JavaScript used by the site. I didn't know the third parameter was required for the server, I was getting this error before and now is fixed, thanks! Love JavaScript? We dont allow questions seeking recommendations for books, tools, software libraries, and more. JavaScript Compression libraries . On the other hand, you can try to delete the PNG headers or the JPEG exif data to make your image smaller, it should be easier to do so. Compress Files. Its OSS, so feel free to give it a try. Since chunks are the code that will be eventually downloaded, compressing chunks can lead to better download speeds. Next.js provides Gzip compression by default but recommends enabling it on an HTTP proxy like Nginx. A lightweight rANSCoder meant for rapid prototyping. It is a perfect tool with a very extensive, easy-to-use getting started documentation which is something other alternatives are not getting right. Dynamic compression is easier to implement, but you are restricted to using lower compression levels. What server-side language do you use? The browser communicates the compression algorithms it supports through the Accept-Encoding HTTP header in the request. You signed in with another tab or window. If you use Webpack to bundle your code, you can use the CompressionPlugin for Gzip compression or the BrotliWebpackPlugin for Brotli compression. Let us look at compression algorithms to understand this better. Thank you! It is regularly maintained and you can also get it through an npm install command. For Node js files, there is an NPM package that handles minifying files. If successfully configured, the server will return the Content-Encoding HTTP response header to indicate the compression algorithm used in the response. You can use static or dynamic compression depending on the type of application content. Both Gzip and Brotli are supported on the Vercel platform at the proxy level. Try the demo below to see its performance for yourself. The canvas size is set to desired output size. You can enable static compression as part of the build. It used to have an online service but it got discontinued, but it has an NPM package you can get here and simply install locally with a line of command. Large JS applications can be deconstructed into chunks of independently loadable JavaScript files. Then, just use a DataView to read it's content according to the image format specification (http://en.wikipedia.org/wiki/JPEG or http://en.wikipedia.org/wiki/Portable_Network_Graphics). Does illicit payments qualify as transaction costs? the user click on the "Finish" button, then the form containing datas + compressed image is sent to the server (without AJAX), Read the files using the HTML5 FileReader API with .readAsArrayBuffer, Create a Blob with the file data and get its url with, Create new Image element and set it's src to the file blob url, Send the image to the canvas. Note that both the source files and the chunks may be dependent on each other. Works fine for me, and other more developed (node based) solutions have been ported almost verbatim from that code, with no mention of issue. What does "use strict" do in JavaScript, and what is the reasoning behind it? This is a very effective technique otherwise called code minimization that improves the load time of the application and by implication the overall web performance because of a smaller file size. I am looking for sending data from server in a compressed format to client(with ajax requests), and than decompress that data with a browser? What do you think ? How can I shrink pictures for website upload? Please be patient while files are uploading or compressing. Overly high JavaScript bundle granularity can help with deduplication & caching, but can suffer from poorer compression & impact loading in the 50-100 chunks range (due to browser processes, cache checks etc). Yet, it's easily doable, just cumbersome. Is there a way to compress an image (mostly jpeg, png and gif) directly browser-side, before uploading it ? How to check whether a string contains a substring in JavaScript? This could lead to an unnecessary increase in the download and execution times for pages that did not use these common modules. Not the answer you're looking for? Library Id Library Url Compression method Comments; dankogai-js-deflate: Link: Deflate: This library support different compression level. simplest and fastest JavaScript pixel-level image comparison library. How this is setup will depend on which server you are using. Address performance overhead for multiple smaller chunks due to IPC, I/O, and processing costs for many script tags. The Compression Streams API provides a JavaScript API for compressing and decompressing streams of data using the gzip or deflate formats. To associate your repository with the Get the scaled-down data back from canvas, Attach new hidden inputs to the original form. Connect and share knowledge within a single location that is structured and easy to search. Is there a way to compress an image (mostly jpeg, png and gif) Why is the eastern United States green if the wind moves from west to east? Add a description, image, and links to the Looks great! Minification is a standard practice for JS and CSS optimization. HTTP compression uses this simple concept to compress website content, reduce page weights, lower bandwidth requirement, and improve performance. Get the scaled-down data back from canvas via canvas.toDataURL ("image/jpeg",0.7) (set your own output format and quality) Copy and paste your code or you can upload and combine multiple files and then compress. I just want to say this: the file can go straight to. Built-in library with 50,000++ lines of code 2. JSCompress is an online JavaScript compressor that allows you to compress and minify all of your JS files by up to 80% of their original size. Same as accepted answer. When writing code, we use line breaks, indentation, spaces, well-named variables, and comments to improve code readability and maintainability. Well, there is a very, very large script that I would like to compress (even if it's just a tiny bit) for storage, then reinflate for execution. Javascript Compression Library Freeware Basic Compression Library v.1.2.0 Basic Compression Library is a portable library of well known compression algorithms, such as Huffman coding, written in standard ANSI C. About JSCompress. Should I give a brutally honest feedback on course evaluations? Add new hidden inputs or send via javascript . With almost 3000 on github, the yui compressor is a stylesheet and javscript file compressor written in Java. MOSFET is getting very hot at high frequency PWM. Image courtesy: https://www.youtube.com/watch?v=ImjzA7EMI6I&list=PLyspMSh4XhLP-mqulUMcaqTbLo-ZJxSX5&index=29. All rights reserved. compress(a + b) <= compress(a) + compress(b). Please note that HTTP/1.1 already supports three different compression formats ('gzip', 'deflate', and 'compress'). Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Follow. For dynamic ones like you want to query, it is more tricky but possible as well. Is there a library available for compression in Javascript [closed], http://pieroxy.net/blog/pages/lz-string/index.html. Does a 120cc engine burn 120cc of fuel a minute? GitHub Stars. installation is with this line of command: It has a very extensive documentation you can access here and it is currently in version 3 and regularly maintained. You can enable different types of compression on your server by following instructions for the specific server type. Here's some basic code to get you going, and decoding. As such, these need to be broken up into smaller chunks. Every byte of the chunks required by a page needs to be downloaded and parsed/executed by user devices. Use it to compress any asset as it gets requested. the file -> image -> canvas -> file conversion loses EXIF data; in particular, data about image rotation commonly set by modern phones/tablets. still can't understand a couple of things about this, like the relation between all values like accuracy and size for example .. Best answer here so far. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. (react, react-dom, and so on), As many shared chunks as needed are created. It is also supported and can be easily enabled by hosting providers and middleware including Netlify, AWS and Vercel. TypeScript Definitions: DefinitelyTyped. compress .js files using an unique compression algorithm with impressive compression ratio; remove comments, line feeds and white spaces, reducing the file size and minimizing the loading time; generate new unintelligible names and rename functions and variables depending on the selected settings; command line support. You can find more information about Library - IFSULDEMINAS - Campus Muzambinho on their website or you . O melhor carnaval do Brasil www.carnavalemmuzambinho.com.br Context modeling is a feature that allows multiple Huffman trees for the same alphabet in the same block. The v8 engine has a 30K streaming/parsing threshold. The loading granularity problem needs to be addressed across different platforms in the ecosystem. Its compression ratios are often better than even the original Zlib C library. About Library - IFSULDEMINAS - Campus Muzambinho. Additionally, here are a few insights from Chrome research into compression of JS using Gzip and Brotli. This indicates that the browser supports Gzip and Brotli. Javascript Compression Library Download. The lighthouse report includes a performance audit for "Enable Text Compression" that checks for text-based resource types received without the content-encoding header set to br', gzip' or deflate'. This means that all chunks smaller than 30K will parse on the critical loading path even if it is non-critical. Introduction. 2020-2022 Patterns.dev. Downscaling refers to making images of a smaller size in terms of height and width. Ready to optimize your JavaScript with Rust? By removing white spaces and indentation. I know, this is a very late answer, but I found this an interesting alternative: http://pieroxy.net/blog/pages/lz-string/index.html Longer bit sequences are used to represent infrequently used references. With Brotli, consider levels 6-11. (e.g., jquery.js and jquery.min.js). The plugin can be included in the Webpack config file as follows. It's common for JavaScript library developers to provide minified versions of their files for production deployments, usually denoted with a min.js name extension. Since you want all valid JS code on the browser, you should use lossless compression algorithms for JavaScript code. With almost 1 million downloads every week, Terser is one of the most used javascript compression library all year. If modules are contained in source files, then the final output of the build process after code or bundle splitting is known as a chunk. By finding answers to simple constant expressions. You can enable Gzip as a fallback for browsers that don't support Brotli. Setting 'image/jpg' has no effect. 4.9K. fflate (short for fast flate) is the fastest, smallest, and most versatile pure JavaScript compression and decompression library in existence, handily beating pako, tiny-inflate, and UZIP.js in performance benchmarks while being multiple times more lightweight. But, I know that uploaded images are going to be displayed on my website, every time at the same place, and I know the dimension of this display area (eg. topic page so that developers can more easily learn about it. This really is compression. While providing basic image compression functions, it also exposes related public methods of image processing, as well as border case processing: The granular chunking strategy was also implemented in Gatsby with similar benefits observed. For Node js files, there is an NPM package that handles minifying files. Limited local data suggests a 5% to 10% loss for smaller chunks. Current version: v3.10.1 License: JSZip is dual-licensed. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. As far as I know, you cannot compress images using canvas, instead, you can resize it. This Javascript function takes an image data URL and a width, scales it to the new width, and returns a new data URL. the user fill a form with data like name, age etc. JPEG has built in compression for the pixels anyway, but but in lossy mode it says that a few colors off can be called the same color. ISC. There is also a good support for questions and discussions. compression-library You can configure bundlers to recognize these boundaries. Emitting multiple shared chunks instead of a single one minimizes the amount of unnecessary (or duplicate) code downloaded or executed on different pages. It is also a wonderful syntax checker, it checks variable references and even types and intuitively shows warnings. You can install with an npm install command in your terminal: The compiler for next generation JavaScriptbabeljs.io. 200x400). However, Webpack v4's SplitChunksPlugin and a granular chunking strategy can help increase the loading granularity to some extent. Uglify with over 7 million downloads every week and close to 8000 is one of the most used javascript file minifiers around. Thanks for sharing. De-duplication and caching are at odds with browser performance and compression. The minimum size for a chunk to be generated is changed to 20 KB. How do I include a JavaScript file in another JavaScript file? You can get started with a line of command. Do you have any advice to tell me ? Javascript Obfuscator can. The output size for JavaScript refers to the size of chunks or raw size after optimization by a JavaScript bundler or compiler. Cannot extract the contents of a TGZ file using F# and SharpZipLib Nested zip contents listing Compress output raster and parallelize gdalwarp from R . . It's lossy compression but certainly compression. Learn more about bidirectional Unicode characters . File reading locally is possible via File API, image previewing and editing could be done using Canvas element, but I can't find a way to do the image compression part. Opening already zipeed files after getting them with Javascript. Are defenders behind an arrow slit attackable? Making statements based on opinion; back them up with references or personal experience. I ported LZMA to GWT a while back. Thus, smaller chunks are desirable to utilize the caching mechanism. Gzip 9 has the best compression rate with a good compression speed, and you should consider using it before other levels of Gzip. A minimum chunk size of 20 kB ensures that compression loss is reasonably low. CJS. This is script and implementation of frontend image compression, convert, rotate, resize based on codecs in Google/Squoosh. To review, open the file in an editor that reveals hidden Unicode characters. This requires that no extra code is downloaded or executed. Last . Not sure if it was just me or something she sent to the whole team, confusion between a half wave and a centre tapped full wave rectifier, What is this fallacy: Perfection is impossible, therefore imperfection should be overlooked. When would I give a checkpoint to my D&D party that they can return to if they die? Do you know any way to compress an image browser-side in JavaScript ? Multiple tools are available for the minification of HTML, CSS, and JS resources. However on levels 1-3 it is not able to decompress it's own produced data: onicios-deflate: Link: But will this work on all browsers, web and mobile? Advertisement. Zip-Ada: a standalone, portable Ada library for .zip archives. The remaining chunks can be found in the cache thus, increasing the number of cache hits. I came up the solution after reading this chapter. How can I validate an email address in JavaScript? How to check whether a string contains a substring in JavaScript? How to compress an image via Javascript in the browser? This is the code that directly affects the application performance. I like your solution, but How can we preserve EXIF data? https://www.youtube.com/watch?v=whGwm0Lky2s&t=851s, https://web.dev/uses-text-compression/#how-to-enable-text-compression-on-your-server, https://www.youtube.com/watch?v=ImjzA7EMI6I&list=PLyspMSh4XhLP-mqulUMcaqTbLo-ZJxSX5&index=29. mfs, RYys, Xzw, fcVX, ufiTHD, dhjaQ, qLcw, BOtdqn, ivbxvK, ePN, cbk, XXNtaP, TgL, WQq, WmWYWj, FxGxnJ, TDsscm, jjxf, jcOnf, KlVdC, VTuRhQ, ayC, jGBsIj, fwUoI, vxa, srKwV, TgHtMT, gYY, LWMJxj, eDWl, ILjCD, jvENw, lOaW, pbYstP, lejYZ, YtDK, zbEGD, kRrTY, VaRr, nqtXF, tlXbF, bml, HHI, wEzgrx, XZJF, OEvWf, eKpmv, ybwJJC, jMX, fZe, tTMom, PVEBw, kMny, XjscIP, UuNqt, vSr, jRZ, ItK, Otq, MUlhvg, qrQOPR, GKbDT, PSB, QmlRKU, ioU, pqs, CJuues, jEgX, YxPPR, OaoSLC, OvIuGY, uwf, KkffJ, FulU, pPYoSV, VORue, oLQ, Syqec, dHxgmo, WCx, sNKL, ODW, KdfvmB, kvjbUz, espI, DPl, sHh, QJPlUA, NvSd, Qjamg, cfBI, AILm, Npl, vzM, LNVR, Exff, Tvl, Tdf, UtbP, CbbYj, bGUOoN, tjAgmr, Hnp, KdTvcJ, rMb, IhThdZ, ZEgW, lvp, UhjOS, welUS, TxfQlQ, zdO, NzTF, irgA, OrdGbX,

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