How to comment out a line of code in JavaScript

How to comment out a certain line of code in JavaScript: 1. Use "//" to comment out a single line of code, and the syntax is "//single line code"; 2. Use "/*" as the beginning, and use " */" can be used to comment multiple lines of code at the end, and the syntax is "/* multi-line code */".

The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.

How to comment out a certain line of code in JavaScript

javascript single-line comments

Single-line comments start with "//" and go to End at the end of the redirected line. The following is an example of a javascript single-line comment:

javascript multi-line comment

Multi-line comments start with /* and end with */. The following example uses multi-line comments to explain the code:

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