How To Write 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 can you add a comment in a JavaScript and write example?

In JavaScript, you insert two slashes “//” in front of the code or text you want the JavaScript interpreter to disregard to make a single line comment. All content to the right of these two slashes will be ignored until the following line is placed.

Also, it is asked, How do you comment a line in JavaScript?

JSON is a data-only format, thus no. JSON does not enable comments of the type //, #, or /* */, which are often used in programming languages. You may include comments in JSON as custom JSON elements, but these components will still contain data.

Secondly, What are JavaScript comments?

JavaScript comments are an effective means of conveying information. It’s used to include code-related information, such as warnings or recommendations, so that the end user can understand it. The JavaScript engine, which is incorporated in the browser, ignores the JavaScript comment.

Also, How do you write a comment for JavaScript and CSS?

Use the “/ text” and “/* text */” syntaxes. In CSS, comments are often used to describe the intent of the declarations of style rules. It will assist you and others in comprehending what you were attempting to accomplish with the style rules while updating style sheets. The browsers do not show the comments.

People also ask, How do you comment out multiple lines in JavaScript?

Comments that span several lines begin with /* and conclude with */. JavaScript will disregard any text between /* and */.

Related Questions and Answers

How do you comment out 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.

How do you put 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 I comment in react JS?

Similar to conventional JavaScript, we can create comments in React using the double forward-slash / or the asterisk format /* */.

How do I comment out multiple lines in JSON?

Open the JSON file in your text editor and add comments as you would in Python (using # rather than docstrings) or JavaScript (using / rather than multi-line comments using /** */).

What does i ++ mean in JavaScript?


How do you comment out a line in Java?

Two forward slashes (//) begin single-line comments. Java ignores any text between / and the end of the line (will not be executed).

How can you add a comment in a JavaScript Mcq?

7. In a JavaScript remark, which of the following statements is correct? / In JavaScript, this is a comment is the right statement for comment.

How do I comment in CSS code?

A CSS comment begins with /* and finishes with */:/* and is put within the style> element. */ p p color: red; p p p p p p p p p p p p p p p p p p Put it to the Test » Try it Yourself »/* p color: red; /* Set text color to red */ This is a multi-line remark */ p p color: red; p p p p p p p p p p p p p p p p Put it to the Test »

How do you comment on every line of code?

Single lines of code (Ctrl + /) and blocks of code (Ctrl + Shift + /) may both have comments added to them.

Which symbol is used for comments in JavaScript *?

In JavaScript, there are two types of symbols that are used to represent comments: Single line comment is known as a double slash. Multi-line comment is a slash with an asterisk.

How do you comment multiple lines on a keyboard?

Ctrl + C is a shortcut for copying and pasting.

How do you comment out a block of code in JavaScript?

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.

How do I leave a comment in HTML?

! —- and —> are used at the beginning and end of HTML comments, respectively. HTML comments are remarks that help structure HTML code and are ignored by browsers.

What is the comment tag?

In the source code, the comment tag is used to insert comments. In most browsers, comments aren’t visible. You may add comments to describe your code, which can aid you later while editing the source code. If you have a lot of code, this is extremely beneficial.

How do I add a comment box to my website?

Comment Box in HTML Log in to your Google account first. Then go to the HTML Comment Box to leave a comment. Click Log in in the blue box. You’ll be redirected to your Gmail account. Please enter your login credentials. You’ll be transported back to the HTML Comment box site after you’ve finished.

How comment React code in VS code?

If you’re using Windows, use Ctrl + K then Ctrl + C to make comments in React and JSX. If you’re using a Mac, hit Command + K, then Command + C.

How do you comment multiple lines in React native?

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 in JSON format?

Comments are not supported by JSON. It was also never meant to be used for configuration files that required comments. Hjson is a human-readable configuration file format. More comments, less errors, and a more relaxed syntax.

How do I put comments in XML?

Syntax. A remark begins with the character! — and finishes with the character —>. Between the characters, you may add textual remarks like comments.

Are comments permitted in JSON?

Although JSON does not accept comments by default, some parsers and applications do, particularly because JSON is increasingly being used for configuration files, where comments may be quite beneficial.

What does == mean in JavaScript?

== === = is used in JavaScript to assign values to variables. == is used in JavaScript to compare two variables, but it ignores the datatype of the variables. The operator === is used to compare two variables, but it also examines the datatype and compares two values.

Can you use += in JavaScript?

In JavaScript, what does += mean? The += operator in JavaScript adds the values from the right of the operator to the variable on the left. The addition assignment operator is a relatively short technique of adding two numbers and assigning the result to a variable.

What does += mean in JavaScript?

Assignment on addition

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 do you write a multi line comment in shell script?

We may use a name of comment to remark on numerous lines in Shell or Bash shell. We begin a comment block with and call it anything we want, and we just put the name of the remark wherever we want to end it.

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.


This Video Should Help:

The “how to comment in java” is a question that has been asked by many people. The answer is that you need to use the “//” and “/* */” symbols.

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