Readers ask: Comment In Javascript?

How do you comment out 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 in a script tag?

The comment ends with a “//–>”. Here “//” signifies a comment in JavaScript, so we add that to prevent a browser from reading the end of the HTML comment as a piece of JavaScript code.

What is the correct syntax for adding comment in JavaScript?

Explanation: Correct Syntax for multi-line comments in JavaScript is /*comment*/.

How do you comment out code?

You can comment out one or more lines of code in any C/C++ editor view. The leading characters // are added to the beginning of each line when commenting one or more lines of code. You can also block comment multiple lines of code using the characters /* */.

How do you comment in VS?

Comment Code Block Ctrl+K+C/Ctrl+K+U Whether it’s because you’re trying to track down a “but,” or experimenting with code change, from time to time you’ll want to comment and uncomment blocks of code. If you select a block of code and use the key sequence Ctrl+K+C, you’ll comment out the section of code.

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Is JavaScript comment?

The JavaScript comments are meaningful way to deliver message. It is used to add information about the code, warnings or suggestions so that end user can easily interpret the code. The JavaScript comment is ignored by the JavaScript engine i.e. embedded in the browser.

How do you comment HTML code?

To write HTML comments put at either end of the comment. HTML comments are notes to keep HTML code organized and are ignored by the browser.

What is the keyboard shortcut to comment multiple lines?

“Ctrl+/” just toggles selected text to a comment. If selected text spread across multiple lines, ” Ctrl+/ ” toggles individual lines explicitly to comment instead of commenting out the entire block.

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 in JSX?

Writing comments in React JSX To write comments in JSX, you need to use JavaScript’s forward-slash and asterisk syntax, enclosed inside a curly brace {/* comment here */}.

What is the purpose of adding comments in the code?

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

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How do you comment in developer console?


  1. To create a single line comment, use //. All characters on the same line to the right of the // are ignored by the parser. For example:
  2. To create a multiline comment, use /* and */ to demarcate the beginning and end of the comment block. For example:

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