FAQ: Javascript Comment Multiline?

How do you comment out multiple lines in JavaScript?

Multi-line comments start with /* and end with */. Any text between /* and */ will be ignored by JavaScript.

How do you comment out lines in JavaScript?

JavaScript comment block starts with two symbols: /*. To end the comment, use these symbols */ again. Everything between these symbols will be treated as a comment in JavaScript.

How do you comment multiple lines?

The keyboard shortcut to comment multiple in Windows is shift + alt + A.

Which comment lines are used in JavaScript?

There are two types of comments in JavaScript.

  • Single-line Comment.
  • Multi-line Comment.

How can you add a comment in a JavaScript?

To create a single line comment in JavaScript, you place two slashes “//” in front of the code or text you wish to have the JavaScript interpreter ignore. When you place these two slashes, all text to the right of them will be ignored, until the next line.

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How do you comment out multiple lines in code blocks?

To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ ) To uncomment multiple code lines right-click and select Source > Remove Block Comment. ( CTRL+SHIFT+ )

How are comments written in Java?

Single-line comments start with two forward slashes ( // ). Any text between // and the end of the line is ignored by Java (will not be executed).

Is JavaScript the same as Java?

The JavaScript programming language, developed by Netscape, Inc., is not part of the Java platform. Java is an OOP programming language while Java Script is an OOP scripting language. Java creates applications that run in a virtual machine or browser while JavaScript code is run on a browser only.

How do you comment out a single line in HTML?

You can create a single line comment by putting <! — at the start and –> at the end of your comment. You can also make a multi-line comment in HTML by adding <! — at the beginning of your comment and –> at the end of your multi-line comment.

How can I comment out code quickly?

If you’re in vs code just enter ctrl + /. For VS studio 2017 ctrl + k + u. If you are using visual studio as your IDE you can use the following: Ctrl+K+C to commment and Ctrl+K+U to uncomment. If using pycharm or VS Code: Use Cntrl+/ to comment and uncomment.

How do I comment multiple lines in Yaml?

yaml files), you can comment-out multiple lines by:

  1. selecting lines to be commented, and then.
  2. Ctrl + Shift + C.
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How do you add a comment in VS code?

Create a Comment in VSCode, the easy way.

  1. On Windows, the shortcut is: CTRL + /
  2. On Mac, the shortcut is: Command + /

How do you write a good comment in JavaScript?

Single-line comments are generally used to comment a part of the line or full line of code. Single-line comments in JavaScript start with //. The interpreter will ignore everything to the right of this control sequence until the end of the line.

What are the best practices for commenting your code?

Here are some rules to help you achieve a happy medium:

  • Rule 1: Comments should not duplicate the code.
  • Rule 2: Good comments do not excuse unclear code.
  • Rule 3: If you can’t write a clear comment, there may be a problem with the code.
  • Rule 4: Comments should dispel confusion, not cause it.

What is the difference between single line comment and multi line comment?

There is no difference whatsoever. All comments are removed so at execution comments don’t impact the program, regardless of their format. It’s a matter of convenience. single line comment for describes the class, interface, method or variable.

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