Readers ask: How Can You Add A Comment In A Javascript?

How can you add a comment in a JavaScript Mcq?

“How can you add a comment in a JavaScript? mcq” Code Answer

  1. //This is a javascript single line comment.
  2. /*
  3. And here is a.
  4. multiline comment.
  5. */

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

How to write comments in JavaScript

  1. Answer: Use the syntax “// text” and “/* text */” Comments in CSS are typically used to explain the purpose of the style rules declarations.
  2. Single-line comments. JavaScript single line comment begins with //, See the example below:
  3. Multi-line comments.
  4. Related FAQ.

How can you add a comment in a JavaScript 1 point?

Single line comments start with //. Any text between // and the end of the line will be ignored by JavaScript (will not be executed).

How do you comment on a script?

You can insert comments and remarks in the script code, or deactivate parts of the script code by using comment marks. All text on a line that follows to the right of // (two forward slashes) will be considered a comment and will not be executed when the script is run.

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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.

What can be done with client side JavaScript?

Client-side JavaScript statements embedded in an HTML page can respond to user events such as mouse clicks, form input, and page navigation. For example, you can write a JavaScript function to verify that users enter valid information into a form requesting a telephone number or zip code.

Which of the following is a JavaScript comment?

The JavaScript comment feature simplifies the production of more readable code. They are easy to write and recognize: a JavaScript comment block (also known as the multi-line comment) begins with */, while a single line comment starts with //.

What is the shortcut to comment out in JavaScript?

If you select a block of code and use the key sequence Ctrl+K+C, you’ll comment out the section of code. Ctrl+K+U will uncomment the code.

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.

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 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).

How do you comment multiple lines in shell?

Commenting Multiple Lines

  1. First, press ESC.
  2. Go to the line from which you want to start commenting.
  3. use the down arrow to select multiple lines that you want to comment.
  4. Now, press SHIFT + I to enable insert mode.
  5. Press # and it will add a comment to the first line.

How do you comment out a shell script?

A single-line comment starts with hashtag symbol with no white spaces (#) and lasts till the end of the line. If the comment exceeds one line then put a hashtag on the next line and continue the comment. The shell script is commented out prefixing # character for single- line comment.

How do you comment a block in shell script?

In Vim:

  1. go to first line of block you want to comment.
  2. shift-V (enter visual mode), up down highlight lines in block.
  3. execute the following on selection:s/^/#/
  4. the command will look like this::'<,’>s/^/#
  5. hit enter.

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