Browserslist Ie11

After a successful installation, we need to declare which browsers we wanna use for our autoprefixer. GitHub Gist: star and fork raphaelgoetter's gists by creating an account on GitHub. The fact is that IE11 is still important for many companies and dropping the support for it means becoming less attractive to enterprise. ECMA Script is the JavaScript language specification; the ECMA Script 2015 ES5 is the stable version which works fine in all new and old browsers. How to Build a Realtime Collaborative Spreadsheets App (Google Sheets Clone) A tutorial on building an app allowing multiple users to edit a single spreadsheet with data synchronization and realtime updates. compare-webpack-target-bundles: A great resource for testing and viewing different webpack targets. This guide helps you create a full stack application with all the CRUD (Create, Read, Update and Delete) features using React as Frontend framework and Spring Boot as the backend REST API. x也是存在的,由于我选择配成的文件. We rely on Drupal. Internet Explorer 10以上をサポートしており、IE9以下はサポートしていない。 一部のCSS3のプロパティとHTML5の要素は、IE10では完全にサポートされていないか、完全な機能のためにプレフィックス付きのプロパティが必要であることに注意すること。. vue-cli3下,配置对于ES6的兼容. NEW: The Kit @Compile Statement. You only need to include it once and duplicate imports are automatically removed. If you install stable version ^4. This is done with care not to annoy, lock out or erroneously notify visitors!. 2, our second minor release where we add some new features. Learn more about Babel with our getting started guide or check out some videos on the people and concepts behind it. Or you can also check browserl. As seen from the options above, there are multiple deployment targets that you can choose from. Autoprefixer uses Browserslist, so you can specify the browsers you want to target in your project with queries like > 5% (see Best Practices). Browserslist will automatically try to find a browserslist config file or use its default value. 基础语法: 只要package. You might add another search engine to IE11 if you'd rather not use Bing, or if you want more options in addition to Microsoft's search engine. I’m not particularly talented at blazing trails into new frontiers armed only with a text editor, but I’m rather good at sticking bits and pieces of. But now thankfully because of the tools like Babel, Core-JS and BrowsersList its quite easy to convert your code in ES5 (ie: IE11 compatible javascript version). In the file browserslist remove the “not” before “IE 9-11”. json with content:. json with browserslist key. 0: Source RegExp: (CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS)[ +]+(\d+)[_\. This will import ALL polyfills based on your browserslist targets so that you don't need to worry about dependency polyfills anymore, but will likely increase your final bundle size with some unused polyfills. To apply custom properties on specific elements or classes, you can define the local, scoped version of the custom properties (remove the hiq-prefix). @ karmatosed. You can use Sass, SCSS, Less, and Stylus to pre-process the CSS files, in fact, these files will also be post-processed by PostCSS when a postcss. In the file browserslist remove the "not" before "IE 9-11". browserslistrc。 有很多配置文件都可以放入package. Autoprefixer online, also known as: prefixer, prefix generator, cross browser css generator, vendor prefixes generator. And then customize Autoprefixer settings based on this data. json file in current or parent directories. js 和构建工具 Webpack。虽然没写了几行前端界面代码, 不过对 Webpack 配置倒是花了一些时间学习,整理了一个针对 Vue. ブラウザごとに異なるデフォルトのスタイルを整える時、リセット用CSSやノーマライズCSSを使用して、すべてのブラウザに共通のスタイルシートを適用している人が多いと思います。 定義したブラウザのリストに基づいて. By turning on Compatibility View, you can help fix display problems on sites. This allows tools like autoprefixer and eslint-plugin-compat to share the config. # browserslist 你会发现有 package. For example, most modern browsers support ES6 generators. Get started with your very own Angular icon. 6) is incompatible with mdbreact library. Internet Explorer 11 is the recommended browser for Windows 7. navbar-airy to your. BlackBerry or bb for Blackberry browser. Installation. If you want to use the app to download and archive all your Google Photos you can download it here OSX. Autoprefixer старается конвертировать Grid Layout для Internet Explorer. browserslistrc config file. System Requirements Supported Operating System Windows 7 Service Pack 1, Windows Server 2008 R2 SP1. Si necesitas un buen soporte de IE 8 y 9, usa Bootstrap 3 en vez de la versión 4. json file in current or parent directories. "browserslist": "> 0. typescript-config/target takes into account your webhint's browserslist configuration and warns you if your target (es3, es2015, etc. Useful for Autoprefixer and other PostCSS plugins - browserslist-2016-06. See the browserslist documentation for more information. 确定后同步将在后台操作,完成时将刷新页面,请耐心等待。. We refer to "package" but the same thing applies to local applications which you do not use as packages. Delightful web development. 1051 days since last revision. BROWSERSLIST environment variable. Family: ios: Versions: 12. 4, Internet Explorer 11 and Chrome 29 have been holding things back. 5% last 2 versions Firefox ESR not dead IE 9-11 Beside your tsconfig. Hot on the heels of v4. Keyword CPC PCC Volume Score; web browsers list: 0. Starting from v1. 6) is incompatible with mdbreact library. Warning: you should not add IE11 or other very early browsers as a target in your browserslist, as it would result in a broken modern build because it makes some assumptions around browser support. This unnecessarily increases the size of your bundle if users are not using this browser to access your site. 5% last 2 versions Firefox ESR not dead not IE 9-11 # For IE 9-11 support, remove 'not'. All Debian Packages in "sid" Generated: Wed Oct 2 14:10:58 2019 UTC Copyright © 1997 - 2019 SPI Inc. We are again opening our Early Access Program – this time for WebStorm 2019. Firstly we need to add this to our project using yarn/npm. 7: 2056: 14: browsers list: 1. js core to make building Single Page Applications with Vue. browsers是正确的,browserslist config将会被忽略。. This also fixes some IE alignment issues. But it can be difficult to keep your tools and build configurations up-to-date. Big thanks. The first item is the path and the second item is the parameter, similar to how the babel plugin is configured. As @ai mentioned in #108, most of babel-preset-env users also use autoprefixer. 5% last 2 versions Firefox ESR not dead IE 9-11 Beside your tsconfig. In Angular CLI version 8 and higher, differential loading is enabled by default for the ng build command. We're a small group of volunteers that spend their free time maintaining this project, funded by the community. Details are possibly out of date. В этом материале мы начнём разговор об npm а также рассмотрим особенности файлов package. Angular is a platform for building mobile and desktop web applications. The values within browserslist allow us to create a query that can reduce/increase the number and types or browsers supported as we wish. We rely on Drupal. My code is not working in IE11 but when i click on inspect element it works fine always. Use the --legacy flag for legacy builds. The New Code is the blog of Dudley Storey, where he talks about web design and development with HTML, CSS, SVG and Javascript. Autoprefixer 7. Explorer or ie for Internet Explorer. But if we told it to also target IE 10, we'd get var a = "string";. We recommend this way. {// package. Vue Router Vue Router is the official router for Vue. The browser wars in China are heating up; this is mainly because companies like Baidu want to own the mobile space. I’m not particularly talented at blazing trails into new frontiers armed only with a text editor, but I’m rather good at sticking bits and pieces of. 1: 🙌 Thanks for using Babel: we recommend using b…. 最終更新: 2018-07-27 Rubyで動くSass(ruby-sass)は非推奨となりました。 2019年3月26日にサポートが終了します。 🔗 Ruby Sass is Deprecated « Sass Blog 他の方法として、スタンドアロン版をGitHubからダウンロードしたり、npmから入手する方法が紹…. Internet Explorer 10 o superior tiene soporte oficial, pero Internet Explorer 9 no. 基本都是用 browserslist, babel-polyfill 等 一. Support IE 11 using browserslist and babel. css looks like when the browserslist is ie >= 9. json add a file tsconfig-es5. Learn more about Babel with our getting started guide or check out some videos on the people and concepts behind it. I've switched careers early 2010, after a few years working with advertising and marketing, so I didn't catch the breaking change on the web development world with the rise of frameworks like Backbone and Angular. This gives a good development experience, especially when using language features such as async/await, but still provides. See the browserslist documentation for more information. targets 옵션을 살펴보면, 브라우저들에 대해서는 최신 두 버전(IE는 10과 11, 크롬과 파이어폭스, 사파리, 엣지는 최신 두 버전)과 한국에서 5% 이상 점유율을 차지하는 브라우저를 모두 지원하라고 설정해준 겁니다. com Update (2017): with the demise of Internet Explorer 6 and 7, and the near extinction of old browsers like Internet Explorer 8 to 10, the techniques described in this article are probably no longer necessary. As described in the previous code, autoprefixer reads the configuration parameters of browserslist under package. So, at the present time you will almost always start by writing CSS for browsers without support, then you test with a Feature Query. enableReactPreset(), the react preset will not automatically be added to Babel: you must add it yourself in. NEW: The Kit @Compile Statement. browserslistrc 文件),指定了项目的目标浏览器的范围。 这个值会被 @babel/preset-env 和 Autoprefixer 用来确定需要转译的 JavaScript 特性和需要添加的 CSS 浏览器前缀。. Keyword Research: People who searched browsers list also searched. js have been dominant names in the world of JavaScript frameworks. Having the same issue, what I've done to fix the problems somewhat is to make sure that babel/core-js is transpiling the v-calendar in node_modules to fix the JS errors that occurs with v-calendar in IE11. 최근 React 는 기본적으로 ie9, ie11 같은 오래된 웹브라우저를 지원하지 않는다. 1 is coming), there’s going to be a new EAP build that you can use to try out the latest features and. Excerpt from Bootstrap’s official Documentation! Bootstrap supports the latest, stable releases of all major browsers and platforms. JHipster supports only evergreen browsers. Autoprefixer online, also known as: prefixer, prefix generator, cross browser css generator, vendor prefixes generator. This guide helps you create a full stack application secured with Basic and JWT Authentication using React as Frontend framework, Spring Boot as the backend REST API and Spring Security as the security framework. System Requirements Supported Operating System Windows 7 Service Pack 1, Windows Server 2008 R2 SP1. browserslist-useragent-regexp compiles Browserslist query to a RegExp to test browser useragent. These "broken modules" are one instance where shimming comes into play. com追踪的IE最新版本为11,向后兼容两个版本即为10、11. json or in a. browserslistrc. We're a small group of volunteers that spend their free time maintaining this project, funded by the community. 최근 React 는 기본적으로 ie9, ie11 같은 오래된 웹브라우저를 지원하지 않는다. Vue Router Vue Router is the official router for Vue. Autoprefixer was released four years ago—to create a universal tool to deal with browser-specific CSS prefixes, based on the work I was doing in Evil Martians as a front-end developer. Read this document if you are planning on deploying your AngularJS application on IE. В этом материале мы начнём разговор об npm а также рассмотрим особенности файлов package. With the recent release of Babel 7, it's the perfect time to really get to know it. Keyword CPC PCC Volume Score; web browsers list: 0. Properties breakdown. In the src/js/index. 单文件 Vue Webpack 配置 Sun, Oct 22, 2017. They'll generate a project with the right. browserslistrc文件,两种途径。. We're trying to drop IE 10, as we're counting Edge as the newest IE version but browserslist considers them as distinct browsers. json file or add a. Browserslist is a config to share target browsers between different front-end tools. I've written an. This allows tools like autoprefixer and eslint-plugin-compat to share the config. Internet Explorer >= 11 Browsers with > 1% usage based on can I use browser usage table The above configuration is also available in the @wordpress/browserslist-config module for Browserslist compatible tooling. This is Chapter 1 of the multi-part tutorial. js is found in your project. Baddý Breidert, Drupal Association Board and Co-Founder of 1xINTERNET. json sorgt dafür, dass alle Browser mit einer Verbreitung von mehr als 0. But if I run `yarn build` for a production build everything works in IE11. {"_id":"browserslist","_rev":"155-e87bd336e3ccbc68fc467b58d26fcdb7","name":"browserslist","description":"Share target browsers between different front-end tools, like. To Andrey Sitnik, author of PostCSS, Autoprefixer, browserslist and other awesome tools. Note that we highly recommend specifying browsers in browserslist config or in package. It is new, shiny, easy to reason about, and supported by all major browsers, with a notable exception of Internet Explorer. The production list will be used when creating a production build by running the build script, and the development list will be used when running the start script. browsers) 配置ignoreBrowserslistConfig: true 查看更多. json with content:. This is done with care not to annoy, lock out or erroneously notify visitors!. Material-UI is available as an npm package. browserslist is used to tell which browsers (and their versions) you want to support; All those properties are used by either npm or other tools that we can use. 例えば、IEはPromiseとかSymbolとか使えません。これは文法ではなく、機能です。 @babel/polyfillを使えばその辺の穴埋め(polyfill)をしてくます。 ソースコードを直接改変する必要があり。以下のようにpolyfillをimportしなければいけません。. json add a file tsconfig-es5. 評価を下げる理由を選択してください. Internet Explorer (IE) is a product from software giant Microsoft. browserslistrc file. Generally it's a good practice to collect some analytics about what Browsers/OSs your visitors use. browserslist-useragent-ruby is a Ruby library to checks browser by user agent string to match Browserslist. 0: Source RegExp: (CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS)[ +]+(\d+)[_\. For a number of Get IE version from command line - Windows Forum - Spiceworks. Up to date with the latest version is very important. Just be sure to set ScriptErrorsSuppressed to true, and it shouldn't throw up the debugging messages like in IE. Keyword CPC PCC Volume Score; web browsers list: 0. With the recent release of Babel 7, it's the perfect time to really get to know it. json 文件来配置发布包的构建方式。 来看看新创建的 Angular 应用的默认配置: browserslist 是这样的: > 0. これまでAutoprefixerのコードに書いてた対応させたいブラウザの範囲をpackage. Hi there, Your react-router-dom version (beta. org is a tool to unobtrusively notify visitors that they should update their web browser in order to use your website. Delightful web development. js javascript entrypoint file, import the style Sass entrypoint as follows. As described in the previous code, autoprefixer reads the configuration parameters of browserslist under package. 5% last 2 versions Firefox ESR not dead IE 9-11 Beside your tsconfig. Lint the browser compatibility of your code. browserslist-useragent-regexp compiles Browserslist query to a RegExp to test browser useragent. Share files instantly between your desktop and mobile browsers and experience web 3. json with content:. However there is a caveat. 0 is released! Learn about the key features—and why the addition of Browserslist 2. js is found in your project. browserslist 参数配置异常强大,你可以配置某些浏览器的支持,比如这样 "browserslist": [ 'IE 11', 'iOS 9', 'Android 4. Big update of material select. #Vue Ecosystem. The latest Tweets from Browserslist (@Browserslist). But if I run `yarn build` for a production build everything works in IE11. Articles are concise, informative and always useful. It's currently set to ['last 2 versions', 'ie 11'] which reflects the browser set we retrieved from our Google analytics. Now you should be familiar with the main types of cross browser HTML and CSS problems that you'll meet in web development, and how to go about fixing them. Browserlist looks for configuration options in a browserslist property of the package configuration file, or in a configuration file named. browserslistの設定はビルド用です。実はこの状態でng serveしたものをIEで開くと画面は真っ白で全くロードされません。 調べると該当のIssueが出てきます。. Browserslist will take queries from tool option, browserslist config,. ](\d+)(?:[_\. The new version of Angular optimises backward compatiblity code for reduced impact – a file called browserslist lets you decide which browsers are to be supported. 最終更新: 2018-07-27 Rubyで動くSass(ruby-sass)は非推奨となりました。 2019年3月26日にサポートが終了します。 🔗 Ruby Sass is Deprecated « Sass Blog 他の方法として、スタンドアロン版をGitHubからダウンロードしたり、npmから入手する方法が紹…. And then customize Autoprefixer settings based on this data. Browserslist will automatically try to find a browserslist config file or use its default value. 工作空间中的每个应用项目,都可以根据其中的 browserslist 和 tsconfig. 基于 RBAC 的 NetCore 3. browserslistrc. babel's modular runtime helpers. Useful for Autoprefixer and other PostCSS plugins - browserslist-2016-06. The main exception is that you can run 32-bit (x86, a. I’m a self-proclaimed duct-tape-coder. babelrc file is present, Encore can no longer add any Babel configuration for you. To apply custom properties on specific elements or classes, you can define the local, scoped version of the custom properties (remove the hiq-prefix). com追踪的IE最新版本为11,向后兼容两个版本即为10、11. As described in the previous code, autoprefixer reads the configuration parameters of browserslist under package. 68"},"versions":{"0. This section describes the properties you can use in detail. Internet Explorer 11 comes with Microsoft's Bing as the default search engine. My code is not working in IE11 but when i click on inspect element it works fine always. vue-cli3下,配置对于ES6的兼容. Or you can also check browserl. Además, algunas propiedades de CSS3 y algunos elementos de HTML5 no funcionan bien en IE10, por lo que es posible que necesites añadir prefijos especiales para ese navegador. For example, most modern browsers support ES6 generators. json or in a. Up to date with the latest version is very important. As seen from the options above, there are multiple deployment targets that you can choose from. defaults // Browserslist的默认浏览器(> 0. 说下browserslist, browserslist 是一个开源项目 见到有些package. eslint-plugin-compat. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. browserslistrc file. com Update (2017): with the demise of Internet Explorer 6 and 7, and the near extinction of old browsers like Internet Explorer 8 to 10, the techniques described in this article are probably no longer necessary. 4', ] 或者针对某个国家浏览器使用情况的配置. As front-end developers, we're well aware that different browsers (and versions) support different web platform features. Live chat is a customer support method with a proven record. Whether you are a developer helping clients or you manage your site solo, these tools can help get you the right information when you need it. Update browserslist to enable IE 11 support. However, IE lets you add other search engines as well, like Google , YouTube, Yahoo, Wikipedia, and eBay. While React itself doesn’t require any build dependencies, it can be challenging to write a complex app without a fast test runner, a production minifier, and a modular codebase. Browserslist is about a single configuration for all tools that need to know what browsers you support. I've used the same steps in my own project. I'm really paranoid about loosing all my pics. 0 has been released today, and it brings a year’s worth of improvements in a single dependency update. You can adjust this list to match better with your own user demographics. We just looked at two major tools that can be configured based on which browsers to support: Autoprefixer and Babel. Angular CLI understands browsers support range from browserslist configuration. Declarative views make your code more predictable and easier to debug. json "browserslist": "last 2 versions, ie 10" browserslist config在下面几种情况下将会被忽略. But first, here are the highlights for v4. In the file browserslist remove the “not” before “IE 9-11”. あとは package. 12 bb 10 bb 7 chrome 73 chrome 72 chrome 71 edge 18 edge 17 firefox 66 firefox 65 ie 11 ie 10 ie 9 ie_mob 11 ie_mob 10 ios_saf 12. Set the target in the compilerOptions to es5. Libraries We Use. Additionally, you can control where and how they get saved with some additional flags:-P, --save-prod: Package will appear in your dependencies. 現在のほとんどのサイトはブラウザ推奨環境が最新版Chrome, Firefox, Microsoft Edge, IE11, Android 4以上, iOS 9以上なので、大抵のケースの場合はこの設定で問題ない。(不必要に対応範囲を広げるとCSSファイルサイズが無駄に大きくなる). browserslistのクエリを使って、>=1% in JP(日本で使われている1%以上)のような指定も可能です。 browserslistはtargetsに直接渡せばOK。複数の. A properly tuned Browserslist query provides your toolchain with the information it needs to transpile and polyfill only the features not present in your users' browsers. See our website @babel/runtime for more information. Internet Explorer 10 o superior tiene soporte oficial, pero Internet Explorer 9 no. Angular is a platform for building mobile and desktop web applications. json 在Node. Now you should be familiar with the main types of cross browser HTML and CSS problems that you'll meet in web development, and how to go about fixing them. Browserslist is a config to share target browsers between different front-end tools. This is the most commonly used browser in the universe. Create React App 2. ) Clearly, this is not what you want. 4 android 4. Now you should be familiar with the main types of cross browser HTML and CSS problems that you'll meet in web development, and how to go about fixing them. However, Bootstrap Table should (in most cases) display and function correctly in these browsers as well. I see numbers like 40% Safari on some sites (which is actually the browser I encounter the most issues with, and they tend to be the hardest to debug), 30% IE on some (IE in itself isn't a bad browser per se, but its slow release cycle means waiting for support for interesting stuff or bugfixes means you might as well wait for a glacier to. Use the --legacy flag for legacy builds. js import '. But it can be difficult to keep your tools and build configurations up-to-date. Most browsers support native ECMAScript 2015 (ES6) code natively, but somewhat popular yet unmaintained browsers like Android 4. ie 6-8 to support Internet Explorer version 6 to 8. 12 bb 10 bb 7 chrome 75 chrome 74 edge 18 edge 17 firefox 68 firefox 67 ie 11 ie 10 ie_mob 11 ie_mob 10 ios_saf 12. But now thankfully because of the tools like Babel, Core-JS and BrowsersList its quite easy to convert your code in ES5 (ie: IE11 compatible javascript version). I see the desktop. Hi there, Your react-router-dom version (beta. 5 % last 2 versions Firefox ESR not dead not IE 9-11 # For IE 9-11 support, remove 'not'. In the file browserslist remove the "not" before "IE 9-11". A Laravel Mix extension for Babel Polyfill. Browserslist config should be named. Working with Babel 7 and Webpack Published on September 25, 2018 - Updated on September 4, 2019 - 13 minutes read. Our team feels responsible to contribute back to the project and participate in its growth. If your organization has decided to drop support for Internet Explorer entirely, you could append an exclusion to your query not ie 11, not ie_mob 11 and take those off the list as well. Fortunately, the Babel devs created a tool that can do the heavy lifting. 2% global usage statistics, where the data for this is taken from browserl. 这是一个 browserslist 解释的字符串,用来精确指定你想支持哪些浏览器。比如 "> 1%, last 2 versions, ie >= 8"。更多详细语法信息(顺便说一下,同使用 Autoprefixer 是一样的),请阅读the browserslist 文档。 If you set browsers: "last 2 versions, ie >=9" the declaration above is allowed. So yarn add autoprefixer. Get started with your very own Angular icon. 5 op_mini all op_mob 46 op_mob 12. json with browserslist key. json里会有如下的配置参数 应该不难猜出来,这代表这个项目的浏览器兼容情况。白话就是我这个项目兼容绝大多数. Diese sind z. Support IE 11 using browserslist and babel. 1 SF 13 SF TP WK Rhino 1. 9600 (64-bit) مرورگر معروف صفحات وب مایکروسافت مخصوص ویندوز ۷. The CLI uses this configuration to generate only one “modern” build if you only target modern browsers, or build the application twice if you asked for IE 9-11 support for example. Only include it if you are supporting Internet Explorer. On windows we support Internet Explorer 11 and Microsoft Edge. The second script is Axios. Internet explorer is the well-known web browser which comes with the Windows OS and is used for surfing the internet and browsing web pages. js which is currently IE9+ as well as the most recent versions of other popular browsers. js 和构建工具 Webpack。虽然没写了几行前端界面代码, 不过对 Webpack 配置倒是花了一些时间学习,整理了一个针对 Vue. js import '. Every site wants to look good on the bookmark bar. 在查询如何兼容ie时,首先是查看vue cli官网,浏览器兼容性,感觉官网说的不是太明晰(小白一枚,实在不太懂),然后就直接百度了,网上方法基本类似,都是用 browserslist,babel-polyfill等. This allows tools like autoprefixer and eslint-plugin-compat to share the config. Browserslist is a config to share target browsers between different front-end tools. Use the --legacy flag for legacy builds. Active 2 years, 1 month ago. But it can be difficult to keep your tools and build configurations up-to-date. React makes it painless to create interactive UIs. 5% last 2 versions Firefox ESR not dead IE 9-11 Beside your tsconfig. In this setting, the browser will attempt to parse your page in backward–compatible fashion, rendering your CSS as it might have looked in IE4, and reverting to a proprietary, browser–specific DOM. About MDB Vue; Download; Quick start; Full tutorial; MDB CLI. Update browserslist to enable IE 11 support. Specify what browsers your project supports using "Browserslist" Gatsby supports the same browsers as the current stable version of React. npm install saves any specified packages into dependencies by default. AdminLTE comes with the same browser support as Bootstrap 4. Internet Explorer 11 for Windows 7. Alternative browsers which use the latest version of WebKit, Blink, or Gecko, whether directly or via the platform’s web view API, are not explicitly supported. 基本都是用 browserslist, babel-polyfill 等 一. But in Webpack you need extra loaders to get it done. Browserslist will take queries from tool option, browserslist config,. 1 is coming), there’s going to be a new EAP build that you can use to try out the latest features and. 5% last 2 versions Firefox ESR not dead IE 9-11 Beside your tsconfig. Browserslist is a config to share target browsers between different front-end tools. Also, I think that IE needs to die and I'd like to help that because it takes a lot of extra development time to support it and users of other browsers need to load a lot of extra code and may deprived from any extra features which are not made because of supporting IE. 5% last 2 versions Firefox ESR not dead not IE 9-11 # For IE 9-11 support, remove 'not'. See the browserslist documentation for more information. Browserslist will automatically try to find a browserslist config file or use its default value. First with only last 2 Chrome versions entry in Browserslist configuration: Then I extended target browsers by adding last 2 IE versions entry: As you can see it is a huge difference in bundle size. Internet Explorer 11 is the recommended browser for Windows 7.