How to comment in a single line in javascript

In JavaScript, a single-line comment is represented by double forward slashes "//", which can be used before and after a statement. Its syntax is such as "//This is a single-line comment", which means "//" All characters after the symbol until the end of the line will be ignored by JavaScript.

The operating environment of this article: Windows 7 system, javascript1.8.5, Dell G3 computer.

How to comment in a single line in javascript?

Single-line comments

In JavaScript, single-line comments are represented by double forward slashes (//) and can be used before and after a statement.

Syntax:

// 你的代码在这里

All characters following the // syntax until the end of the line will be ignored by javascript.

Example 1: Add

before the statement Example 2: Add

after the statement Related video tutorial sharing:javascript advanced video

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