Question: Single Line Comment In Javascript?

What is the single line comment syntax in JavaScript?

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

What is the single line and multiple line comments in JavaScript?

JavaScript Comments: Summary Comments can be used to explain or hide the code so it is not executed. Single-line JavaScript comments are used for one line of comment only and do not need to be closed. Multiline comments in JavaScript can comment out bigger parts (a few lines) of code and need to be closed.

What is the example of single line comment?

Single-line comments start with two forward slashes ( // ). Any text between // and the end of the line is ignored by the compiler (will not be executed).

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How do you declare a single line comment?

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).

What 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.

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.

What is the difference between single line comment and multi line comment?

There is no difference whatsoever. All comments are removed so at execution comments don’t impact the program, regardless of their format. It’s a matter of convenience. single line comment for describes the class, interface, method or variable.

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 you write a multi line comment in Java?

Multi line comments in Java start with /* and end with */. You can comment multiple lines just by placing them between /* and */.

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Is single line comment?

Single-line comments allow narrative on only one line at a time. Single-line comments can begin in any column of a given line and end at a new line or carriage return. The code above uses single-line comments within the Credit method and the set accessor for the AccountNo property.

Can comments be longer than one line?

Comments are portions of the code ignored by the compiler which allow the user to make simple notes in the relevant areas of the source code. Comments come either in block form or as single lines. Single-line comments (informally, C++ style), start with // and continue until the end of the line.

What is single line comment in Python?

What is a single line comment in python? Single line comments are those comments which are written without giving a line break or newline in python. A python comment is written by initializing the text of comment with a # and terminates when the end of line is encountered.

What is single line comment in C?

C-style. C-style comments are usually used to comment large blocks of text or small fragments of code; however, they can be used to comment single lines. To insert text as a C-style comment, simply surround the text with /* and */. C-style comments tell the compiler to ignore all content between /* and */.

What is single line comment in PHP explain with syntax?

PHP Comment Syntax: Single Line Comment The single line comment tells the interpreter to ignore everything that occurs on that line to the right of the comment. To do a single line comment type “//” or “#” and all text to the right will be ignored by PHP interpreter.

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How do you write a good comment code?

The basics tenets of commenting your code are simple:

  1. Make them brief.
  2. Keep them relevant.
  3. Use them liberally, but not to excess.

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