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The JavaScript Language Versions dialog opens.Ĭlick and in the dialog that opens select the folder where you need a custom language version. On the JavaScript page, click next to the JavaScript language version list. If you are working on an application that uses both ECMAScript 5.1 and a newer version of ECMAScript, the easiest way is to choose the highest language version for the whole project from the list on the JavaScript page. The JavaScript page opens.įrom the list, choose one of the supported JavaScript language versions:ĮCMAScript 6+: This version adds support for the features introduced in ECMAScript 2015-2020 and for JSX syntax as well as some current proposals to the standard.įlow: This version adds support for the Flow syntax. In the Settings/Preferences dialog ( Ctrl+Alt+S), go to Languages & Frameworks | JavaScript. To get reliable and efficient coding assistance, you need to specify the language version that will be used in all JavaScript files of your project by default.
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For more details about plugins, see Managing plugins. In the search field, type JavaScript and TypeScript. Press Ctrl+Alt+S to open the IDE settings and select Plugins. Make sure the JavaScript and TypeScript plugin is enabled in the settings. To open an application that is organized in the directory structure and does not have a solution file, press Ctrl+P, O or choose from the main menu, and then specify the root folder of the application. JetBrains Rider supports running and debugging tests as well as navigation between tests and subjects or between a failed test and the fragment of code that caused the problem. JetBrains Rider integrates with Jest, Karma, Protractor, Cucumber, and Mocha testing frameworks. Learn more from Debug JavaScript in Chrome. Note that JetBrains Rider supports debugging JavaScript only in Chrome or any other browser of the Chrome family. With the built-in debugger, you can debug both your client-side and server-side code and even run JavaScript code snippets in the interactive debugger console. JetBrains Rider also integrates with JavaScript linters and the Flow type checker. JavaScript-aware coding assistance includes completion for keywords, labels, variables, parameters, and functions, error and syntax highlighting, formatting, code inspections and quick-fixes, as well as common and JavaScript-specific refactoring. JetBrains Rider also supports React, Angular, Vue.js, and other frameworks and provides tight integration with various tools for web development. With JetBrains Rider, you can develop modern web, mobile, and desktop applications with JavaScript and Node.js.
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