How to comment out code in JavaScript?

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 a line of code?

You can “uncomment a line” in a configuration file by removing the # at the start of the line. Or, to “comment out” a line, add a # character to the start of the line. (Note that some languages have different comment formats, so this may not be true if you’re working with a source code file.)

How do you insert comments in Java code?

Comments can be used to explain Java code, and to make it more readable. It can also be used to prevent execution when testing alternative code. 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).

How do you insert a comment with more than one line?

To comment more than one line:

  1. Select all the lines that you would like to be commented.
  2. Press Ctrl + / Two slashes “//” will be added to the front of each line, causing them to be recognized as a comment.

How do I comment in JSON?

JSON does not support comments. It was also never intended to be used for configuration files where comments would be needed. Hjson is a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.

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 I comment out XML code?

Section Comment in XML

To do this, insert your cursor on a blank line above the section of XML code you want to comment out and then type a less-than symbol followed by an exclamation point and two dashes. To end the comment, move your cursor down to a blank line after the section of XML code you are commenting out.

How do I comment a Yaml file?

Add Comments to YAML File. In order to add comments to a YAML file, you simply have to use the # (hashtag symbol) at the start of the line. For example, below is an example of one commented line in a YAML file.

How do you write comments for Javadoc?

Format of a Doc Comment

A doc comment is written in HTML and must precede a class, field, constructor or method declaration. It is made up of two parts — a description followed by block tags. In this example, the block tags are @param , @return , and @see .

What are comments?

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.

What are the Java keywords?

In the Java programming language, a Keyword is any one of 51 reserved words that have a predefined meaning in the language; because of this, programmers cannot use keywords as names for variables, methods, classes, or as any other identifier. Of these 51 keywords, 49 are in use and 2 are not in use.

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How do you add a comment in HTML code?

To comment out in HTML, insert information between <! — and –> tags (browsers won’t show these notes). Commenting in HTML allows developers to leave notes about their code, its functionality or to indicate necessary changes for the future.

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