How To Make Comments In Javascript?

Two forward slashes (//) begin single-line Javascript comments. Even if there are forward slashes in the commented text, every content following the two forward slashes until the end of a line becomes a comment.

Similarly, How do you comment out multiple lines in JavaScript?

Comments on several lines A multiline comment in JavaScript serves the same function as a single-line remark. The /* sign is used to begin a JavaScript comment block. Use these symbols */ once more to finish the remark. In JavaScript, anything between these symbols is considered as a comment.

Also, it is asked, How do comments work in JavaScript?

Comments in JavaScript are used to add remarks to your code or to deactivate portions of code without removing them. In JavaScript, comments are produced by putting / before a single line or /* before and */ after several lines. A variety of computer languages provide the ability to comment on code as a standard feature.

Secondly, How do you comment multiple lines?

Ctrl + / / / / / / / / / Select all of the lines you want to be commented on. Ctrl + / / / / / / / / / Each line will have two slashes “//” appended to the beginning, indicating that it is a comment.

Also, How do you comment out lines in code?

When commenting one or more lines of code, the leading letters / are appended to the beginning of each line. You may also use the letters /* */ to block comment several lines of code.

People also ask, How do you comment out a script?

/ is used to start single-line comments. JavaScript ignores any text between / and the end of the line (will not be executed).

Related Questions and Answers

How do you write a comment in a function?

The following code tags should be used for functions: @desc – Give your function a name and a description. @param – Describe all of the function’s input arguments. @returns – Describe the output that was returned. @throws – Specify the sort of error that the function may produce.

How do you comment a script tag?

Because “//” in JavaScript denotes a comment, we use it to prevent a browser from misinterpreting the end of the HTML comment as a piece of JavaScript code.

How do I add comments to my website?

What is the best way to add comments to your website? Go to and click on login to create an account. Create an account by clicking the Create an account button. Use Twitter, Google, or your email address to log in. Fill out all of the required fields. Next to Your Sites, click the +Add button. Fill in the site’s information and then click Continue.

How do I comment multiple lines in a bash script?

Adding a multi-line comment in a bash script is as easy as using a colon (:) and a single quotation. After the colon, the multi-line remark will be enclosed in a single quotation(‘) (:). The following example demonstrates the usage of multi-line comments.

How do you comment out a line in Java?

In Java, multi-line comments begin with /* and conclude with */. Multiple lines may be commented by putting them between /* and */.

How do you comment multiple lines in HTML?

The special starting tag! — and ending tag --> put before the first line and end of the final line, respectively, may be used to remark several lines, as seen in the example below.

What is the shortcut to comment out in Javascript?

You may comment out a part of code by selecting it and using the Ctrl+K+C key combination. The code may be uncommented by using Ctrl+K+U.

How do you make a comment in HTML?

A comment is text placed inside the!!> tags in HTML. This syntax informs the browser that these are comments that should not be shown on the front end. You may make notes in the comments tag to remember yourself where you left off in the construction process.

How do you comment out in Javascript on a Mac?

On the chosen code, use the cmd + / key binding.

How do you comment a line in a bash script?

Start each line with the hash symbol (#) to make single-line comments in bash. The sole exception is HashBang (#!) in the script file’s first line. A Bash script with single line comments in between instructions is shown below.

How do you enter a comment in a program?

A comment is a line of code that begins with a slash asterisk /* and ends with an asterisk slash */. It may appear anywhere in your program. Within your C program, comments may span many lines. Comments are usually placed immediately above the C source code that they pertain to.

How do you comment on one line?

The initial end-of-line after the / comment marker is where single-line comments finish. You may put it at the beginning of the code statement or at the end. If it comes after a code statement, the text after it is considered the comment.

How do you make a comment box in HTML w3schools?

Tag for HTML comments Notice that the start tag has an exclamation mark (!) while the end tag does not. The browser does not show comments, but they may help you document your HTML source code.

Can you add comments to Google sites?

Include a section for comments. Open a site in traditional Google Sites on a PC. Navigate to the page where you’d like to leave a remark. Configure the page. Allow comments by clicking the Allow button.

How comment multiple lines sed?

What exactly does it do? s||/| /s*log.*;$/ s||/| If the line begins with log and ends with ;, replace the start with /s*log/, /);$/ s||/|” /log/, /);$/ s||/|” /log/, /);$/ This is a set of addresses. The replacement is applied to all lines in this range. The range of lines begins with the first regex match and ends with the last regex match.

How do I write comments in Linux?

Add the following code to your page: If you don’t hit Enter, a remark is treated as a single line. The shebang, which indicates that the script utilizes the bash shell, is seen below. #!/bin/bash # #!/bin/bash # #!/bin/bash This is a one-line remark added at the top of a command.

What is the difference between $* and [email protected]?

$* Saves all of the parameters supplied on the command line ($1 $2.). “[email protected]saves all the parameters typed on the command line, each one separately quoted (“$1” “$2”.).

Can and <%- comment -%> be used alternatively in JSP?

Can –comment– and % –comment– percent > be used interchangeably in JSP? The HTML comment! –comment–> is explained here. The JSP comment is % –comment– percent >.

How comment multiple lines in react JS?

Comment with Multiple Lines In JSX, you must use JavaScript comments within Curly braces, such as /*comment here*/, to remark anything. It’s a typical /* Block Comments */, except it requires curly braces to be wrapped around it.

How do you comment code on a Mac?

Ctrl + Shift + / on a PC Command + Option + / on a Mac

Which is the correct way to comment out something in HTML a using ## and B using and --> C using and D using and -!>?

Explanation: In HTML, we must insert the content between the! —and --> tags to comment things out. Comments are pieces of text or code that explain the code but are not visible to the user.

Which of the following is used to insert a comment?

In a web page, the — --> element is used to insert comments.


Comments in Javascript are a way to add notes or explanations to your code. They can be used for multiple lines and they can also be nested.

This Video Should Help:

Comments are a way to add information to the HTML code. They can be made by using the “html comment” or by adding them directly in the code.

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