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How to write javascript in vscode

May 12, 2023 pm 02:10 PM

Vscode is a popular lightweight code editor. It not only supports multiple programming languages, but also has rich plug-ins and extension functions, making the writing process of different programming languages ​​simple and fast. In this article, we will introduce how to use Vscode to write JavaScript code.

  1. Install Vscode

First, you need to download and install Vscode. You can download Vscode from its official website, or use your operating system's app store. After downloading, just install Vscode.

  1. Install JavaScript plug-in

In Vscode, if you need to write JavaScript code, you need to install the JavaScript plug-in. There are many JavaScript plug-ins supported by Vscode, some of the more popular ones are:

  • JavaScript (ES6) code snippets: Provides ES6 code snippets and syntax highlighting.
  • JavaScript (Standard) code snippets: Provide JavaScript Standard Style code snippets.
  • ESLint: Provides code style inspection and repair.
  • Prettier: Provides code formatting functions.

You can search and install the plug-ins you need from the central extension panel by pressing Ctrl Shift X in Vscode.

  1. Create JavaScript files and write code

In Vscode, creating JavaScript files is very simple. Just press Ctrl N or select "New File" in the file menu and save the file as a file with a .js extension. Then you can start writing JavaScript code.

Vscode’s smart editing function for JavaScript code will help you write code more easily. Smart Tips help you quickly find syntax and attributes, and provide auto-completion and error repair. In addition to this, you can quickly navigate to functions such as function definitions and find references.

  1. Debugging JavaScript code

In Vscode, you can debug JavaScript code through the debugger. Setting breakpoints in a file is as easy as clicking on a line number. You can then use the Debug Console window for further operations.

Vscode’s debugger supports single-step execution of breakpoints, viewing and monitoring of variables, stack tracing and other functions. The debugger can be started by pressing F5 or selecting Run in the Debug menu.

  1. Saving Code and Running

In Vscode, you can save your code by pressing Ctrl S or selecting "Save" in the File menu. If you need to run JavaScript code, you can use a terminal program to run them.

In Vscode, you can easily open and manage the terminal. Just press Ctrl Shift ` to open a terminal window in the editor. Then, enter node yourfilename.js in the terminal window to run your code.

Summary:

Vscode is a lightweight code editor suitable for multiple programming languages, making writing and debugging JavaScript code easy and fast. You can easily write and manage JavaScript code in Vscode by installing plugins, creating files and writing code, debugging the code, saving the code and running.

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