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This page summarizes the JavaScript features that VS Code ships with.

For a more in-depth guide on how these features work and can be configured, see Working with JavaScript.

While jsconfig.json files are not required, you will want to create one in cases such as.

Virtual Studio Code Code That Uses

This is useful if you are working with legacy code that uses implicit globals dependencies instead of imports for dependencies.

For multi-project workspaces, create a jsconfig.json at the root folder of each project.

This command opens the jsconfig.json that references the JavaScript file.

A notification is shown if the file is not part of any jsconfig.json project.

You can optionally even use the type information from JSDoc comments to type check your JavaScript.

Press Space (Windows, Linux CtrlShiftSpace ) to manually trigger signature help.

When you select one of these suggestions, VS Code automatically adds an import for it to the top of the file.

Auto import suggestions show where they will be imported from.

You can explicitly configure the preferred quote style and path style for imports added to your code with the javascript.preferences.quoteStyle and javascript.preferences.importModuleSpecifier settings.

Or, if the built-in formatter is getting in the way, set javascript.format.enable to false to disable it.

For an instance of a class, this will reveal the class itself instead of where the instance is defined.

Windows, Linux Ctrl.

You can also disable fading of unused code only in JavaScript by setting.

For example, you can enable organize imports on save by setting.

While VS Code does not include a built-in JavaScript linter, many JavaScript linter extensions available in the marketplace.

Read the description and reviews to decide if the extension is right for you.

These type checks also enable some exciting Quick Fixes for JavaScript, including Add missing import and Add missing property.

You can read more about how TypeScript uses JSDoc for JavaScript type checking in Working with JavaScript.

Existing JavaScript validation tools such as ESLint can be used alongside built-in type checking functionality.

Set breakpoints, inspect objects, navigate the call stack, and execute code in the Debug Console.

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