How do you comment multiple lines in JavaScript?

Multiline (Block) Comments Javascript multiline comments, also known as block comments, start with a forward slash followed by an asterisk (/*) and end with an asterisk followed by a forward slash (*/). They do not require a comment delimiter character on every line and may contain newlines.

What is the code for a comment?

This element is used to add a comment to an HTML document. An HTML comment begins with –– and the comment closes 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.

Which of the following is a JavaScript comment?

JavaScript Single line Comment It is represented by double forward slashes (//). It can be used before and after the statement.

How do you specify comments 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).

How do you make a comment box in JavaScript?

Contents

  1. Step 1: Create a folder named public and create an index.html.
  2. Step 2: Add boilerplate Code to our index.html.
  3. Step 3: Create style.css file.
  4. Step 4: Add the Pusher JS library and create app.js.
  5. Step 5: Creating Form for adding new comment.
  6. Step 6: Display list of comments received for this channel.

How do you insert comments in Java code?

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 use comments in JavaScript?

To create a single line comment in JavaScript, you place two slashes “//” in front of the code or text you wish to have the JavaScript interpreter ignore. When you place these two slashes, all text to the right of them will be ignored, until the next line.

How do you comment a script tag?

Commenting scripts in JavaScript The JavaScript engine allows the string “ –” to occur at the start of a SCRIPT element, and ignores further characters until the end of the line. JavaScript interprets “//” as starting a comment extending to the end of the current line.

How do I add a comment to a box in HTML?

Comment Box HTML Code. In HTML, create a section with an id “app” and place a textarea (for comment input) and p element for comment output. . . . . . .

What is the purpose of using comments in JavaScript?

JavaScript comments can also be used to prevent execution, when testing alternative code. Single line comments start with //. Any text between // and the end of the line will be ignored by JavaScript (will not be executed). document.getElementById(“myP”).innerHTML = “My first paragraph.”;

What is the best way to use comments?

It is most common to use single line comments. Block comments are often used for formal documentation. Using comments to prevent execution of code is suitable for code testing. Adding // in front of a code line changes the code lines from an executable line to a comment.

What is a multi line comment in JavaScript?

Multi-line Comments. Multi-line comments start with /* and end with */. Any text between /* and */ will be ignored by JavaScript. This example uses a multi-line comment (a comment block) to explain the code:

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