JavaScript comments are used to explain the JavaScript code logic. JavaScript comments are ignored by JavaScript translator. It makes JavaScript code more readable.
Types of JavaScript comments:
1. Single-line Comment
2. Multi-line Comment
JavaScript Single-line Comment:
The double forward slashes (//) are used for Single line comments. Anything between // to end of the line will be ignored by JavaScript translator.
Syntax:
<script> //Single line comment JavaScript Code </script> |
JavaScript Single-line Comment Example:
<html> <body> <script> // Single line comment document.write("Hello w3spoint.com"); </script> </body> </html> |
JavaScript Multi-line Comment:
The Multi line comments start with forward slash with asterisk /* and end with asterisk with forward slash*/. Anything between /* and */ will be ignored by JavaScript translator. It can be used to comment single as well as multiple lines.
Syntax:
<script> /* Multi-line comment This line will not execute */ JavaScript Code </script> |
JavaScript Multi-line Comment Example:
<html> <body> <script> /* Multi-line comment This line will not execute */ document.write("Hello w3spoint.com"); </script> </body> </html> |
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