How can you add a comment in a javascript?

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How do you comment out JavaScript code?

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.

How do you add comments in HTML?

HTML comment Tag: Main Tips

  1. The <! — –> is an HTML comment tag.
  2. To comment out in HTML, insert information between <! — and –> tags (browsers won’t show these notes).
  3. Commenting in HTML allows developers to leave notes about their code, its functionality or to indicate necessary changes for the future.

How do I add a comment section to my website?

How to Add Comments on your Site

  1. Go to Disqus.com and register for an account by clicking on login.
  2. Click on Create an account.
  3. Sign in using Twitter, Google or your email address.
  4. Fill out your information.
  5. Click on the +Add button next to Your Sites.
  6. Fill out the details for your site and click on Continue.
  7. Click on Universal Code.
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How do you add comments in code?

The single line comment is //. Everything from the // to the end of the line is a comment. To mark an entire region as a comment, use /* to start the comment and */ to end the comment.

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 //.

How do you comment multiple lines in JavaScript?

Multiline comments start with /* and end with */. Any text between /* and */ will be ignored by JavaScript.

What is comment tag in HTML?

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.

What are comments?

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.

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.
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How do you create a real time commenting system?

Frontend using Vanilla JavaScript

  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.
  4. Step 4: Add the Pusher JS library and create app.
  5. Step 5: Creating Form for adding new comment.
  6. Step 6: Display list of comments received for this channel.

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

Position your mouse at the point where you want to insert the comment box. Click once in the open space, then right-click and choose “Paste” from the context menu. The HTML code is copied from your clipboard and inserted into your Web page at the specified location. Click “Save” to save your changes.

How do you make comments in HTML and CSS?

A CSS comment is placed inside the <style> element, and starts with /* and ends with */:

  1. /* This is a single-line comment */ p { color: red; }
  2. p { color: red; /* Set text color to red */ }
  3. /* This is. a multi-line. comment */ p { color: red; }

How do you write a good comment?

Top ten tips for writing a great comment

  1. Read the article. It sounds obvious, but you’d be surprised how many comments can be answered with the words “it says in the article”.
  2. Respond to the article. …
  3. Read the other comments.
  4. Make it clear who you’re replying to.
  5. Use the return key.
  6. Avoid sarcasm.
  7. Avoid unnecessary acronyms.
  8. Use facts.

Do comments go above or below code?

In the US, at least, the de facto standard is commenting either before the code or on the same line following the code. Writing your comments after the related code invites a drug test, a psychiatric evalutation, and/or a date with a pair of pliers and a blow torch.

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How do you add a comment in Mathematica?

You can put comments within an Input line by using the syntax (* put your comments here *). Mathematica automatically groups cells. For example, the Output[number] from evaluating an Input[number] is automatically grouped with its Input[number].

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