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When you are designing your website, there are many instances that require you to comment out code in your website. Commenting code is good for diagnosing website problems, hiding code instead of deleting the code, placing notes in a file to explain what was done, and many more reasons. This article will explain the basics of commenting code in your website files.

HTML Comments

HTML comments are specifically designed to comment out code when you are in an HTML coded document. Below is the syntax for HTML comments.

HTML comment

<code to be commented out>

Example of an HTML comment

An Example of a usage of this is shown in the following code.

<!-- This is a comment -->
  <p>A paragraph in your site</p>
<!-- This is code commented out
  <h1>Commented Title</h1>
  <p>A paragraph that is commented out.</p>

CSS, JavaScript, and PHP Comments

CSS comments are done in the CSS .css stylesheet or in the Internal Style sheet. JavaScript comments can be placed inside HTML documents or in a .js file where JavaScript is ran. PHP code will be in .php files between <?php and ?> code. The following code shows the syntax for commenting out CSS, JavaScript, and PHP code.

Single Line comment

// <code to be commented out>

Multiple Line comment

<code to be commented out>
<Other code to be commented out>
<Some more code to be commented out>

Example of PHP comment

An Example of a usage of this is shown in the following code. Below is showing PHP code; however, you use the same process to comment JavaScript and CSS.

// This is a comment on one line
echo '<p>HTML code echoed by PHP.</p>';
/* This is code commented out
echo '<h1>An HTML Title from PHP</h1>';
echo '<p>HTML code echoed by PHP.</p>';
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Continued Education in Course 101: Website Design Basics
You are viewing Section 7: How do I comment my HTML, CSS, JavaScript, and PHP code?
Section 6: Bullet Points and Numbered Lists Explained

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n/a Points
2018-12-10 2:35 am

thanks for sharing information. 

3,856 Points
2018-12-10 4:08 pm
You're welcome, thanks for your feedback!
n/a Points
2018-07-30 5:12 am

Very Great

11,043 Points
2018-07-30 1:11 pm
Thanks, we appreciate your feedback!
n/a Points
2018-07-12 5:48 am

Excellent info on Web Design ...!!Appreicable post and Great Job by Author.

n/a Points
2018-06-22 3:19 am

thnx 4 this information i tried this and it works thnx 

3,856 Points
2018-06-22 10:52 am
Thanks for your feedback. Be sure to click the Yes button next to: "Did you find this article helpful?" This helps others in the community quickly locate the most helpful articles!
n/a Points
2018-02-21 6:49 am

Thaks to share such a nice information!!

n/a Points
2018-02-20 2:00 pm

this is best

n/a Points
2017-10-05 1:15 am

It is very nice and wonderful to get ideas

n/a Points
2017-06-29 1:13 am

Thank for information about HTML. It is realy useful for me. HTML coding is helpful in giving some idea.

n/a Points
2017-03-03 4:24 am

Excellent effort to make this blog more wonderful, and attractive.

2,858 Points
2017-03-03 11:38 am
Charles, you're most welcome! We're always glad to be of assistance! Have a great day!
n/a Points
2016-08-25 10:51 pm

thanks for helpful tutorial!

n/a Points
2015-09-01 7:14 pm

Thank you so much it helped

n/a Points
2015-07-22 9:28 am

Nice Comment format

n/a Points
2015-05-21 3:03 am

Thanks for sharing this blog....

n/a Points
2015-04-15 5:13 pm

Awesome!! Just used this to edit some JS.


I had never thought of this until now. Much better solution than deleting code. 

n/a Points
2015-02-26 9:07 am

I've been told that in order to find the code of my faulty website the new dev needs to get it from the server.  I would like to kmow whehter this is a fact and whether is a difficult task.  Thanks

43,761 Points
2015-02-26 10:12 am
Hello Lavinia,

As this question does not relate to the article topic, it has been moved and created as a new question here. To maintain topic relevance please only comment on related articles. You can always ask a new question if you cannot find your answer in our article lists.

Kindest Regards,
Scott M
n/a Points
2015-02-21 1:58 am


n/a Points
2014-11-14 5:21 am

Thanks for the share.

n/a Points
2014-10-20 12:57 pm

Very Nice information about HTML. Thanks

n/a Points
2014-09-04 1:57 am

Nice post.

       very useful for php coding thank you so much...

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