Comment On Javascript?

How do you comment out in JavaScript?

JavaScript comment block starts with two symbols: /*. To end the comment, use these symbols */ again. Everything between these symbols will be treated as a comment in JavaScript.

How do you comment a script tag?

Yes, it is considered as a best practice, since this is to save our code from a browser that does not support JavaScript. The comment ends with a “//–>”. Here “//” signifies a comment in JavaScript, so we add that to prevent a browser from reading the end of the HTML comment as a piece of JavaScript code.

What are the two types of comments in JavaScript?

There are two types of comments in JavaScript.

  • Single-line Comment.
  • Multi-line Comment.

How do you write a good comment in JavaScript?

Single-line comments are generally used to comment a part of the line or full line of code. Single-line comments in JavaScript start with //. The interpreter will ignore everything to the right of this control sequence until the end of the line.

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What are the best practices for commenting your code?

Here are some rules to help you achieve a happy medium:

  • Rule 1: Comments should not duplicate the code.
  • Rule 2: Good comments do not excuse unclear code.
  • Rule 3: If you can’t write a clear comment, there may be a problem with the code.
  • Rule 4: Comments should dispel confusion, not cause it.

How do you comment out HTML code?

To “comment out” in HTML, simply place the tags around the code you want to hide. These tags will tell browsers not to render this code on the front end. Commenting out has two main purposes.

Why do we put HTML comments around your JavaScript?

The comment tag is used to insert comments in the source code. Comments are not displayed in the browsers. You can use comments to explain your code, which can help you when you edit the source code at a later date. This is especially useful if you have a lot of code.

How do you comment a script in HTML?

This element is used to add a comment to an HTML document. An HTML comment begins with . HTML comments are visible to anyone that views the page source code, but are not rendered when the HTML document is rendered by a 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.

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Which HTML element do we put the JavaScript?

Inside which HTML element do we put the JavaScript? Explanation: The