HTML Comments Tutorial | Convert Comments into HTML Codes

Last updated on 24th Jan 2022, Blog, Tutorials

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• Introduction to HTML Comments
• Substantial versus Invalid Comments
• Punctuation
• HTML Comments remarks
• Conceal a piece of a paragraph
• Program Support
• Remarking in HTM
• Utilizing Comment Tag
• Remarking Script Code
• Remarking Style Sheets
• Conclusion

Introduction to HTML Comments

• The HTML remarks are utilized to show areas of a record or addition notes clarifying the code. They assist with understanding the code and increment its lucidness. The remark tag can likewise be utilized for barring transitory code blocks as opposed to erasing them. For characterizing HTML remarks we utilize the tag. Programs disregard this tag and don’t show its substance to the client.


• A couple of programs support the remark tag for remarking a piece of a HTML code. HTML remarks can be utilized anyplace in the record aside from the <'title> tag. They don’t work inside the <'style> tag either, as CSS involves one more sentence structure for remarks.



Substantial versus Invalid Comments

A remark can’t be embedded into another remark. The twofold scramble succession (“- – “) may not come inside a remark in the event that it’s anything but a piece of the end (- – >) tag. It is additionally vital to guarantee that there aren’t spaces in the beginning of remark string.

Multiline Comments

HTML upholds both single-line and multi-line remarks. We can utilize multi-line remarks by the starting tag .




Remarking Style Sheets

When involving CSS in a HTML code, it is prescribed to put the template code inside suitable HTML remarks for the appropriate work of old programs.




Remarking Script Code

When involving JavaScript or VB Script in the HTML code, it is prescribed to put the content code inside suitable HTML remarks for the legitimate work of old programs.




Punctuation

Remarks are composed between images.






HTML Comments remarks

HTML remarks are not shown in the program, however they can assist with reporting your HTML source code.

HTML Comment Tag

You can add remarks to your HTML source by utilizing the accompanying sentence structure:

• Notice that there is an interjection point (!) in the beginning tag, yet not in the end tag.
• Note: Comments are not shown by the program, yet they can assist with archiving your HTML source code.



Add Comments

With remarks you can put warnings and updates in your HTML code:

Model

• This is a remark
• This is a paragraph.
• Make sure to add more data here



Conceal Content

Remarks can be utilized to conceal content. Which can be useful assuming you conceal content briefly:

Model: Conceal a segment of HTML code:

• This is a paragraph.
• Look at this cool image:
• <'img border="0" src="pic_trulli.jpg" alt="Trulli">



This is a passage too:

Remarks are likewise incredible for investigating HTML, since you can remark out HTML lines of code, each in turn, to look for mistakes.

Conceal Inline Content

Remarks can be utilized to conceal parts in the HTML code.




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Model: Conceal a piece of a paragraph:

• This is a paragraph.
• HTML Exercises
• Test Yourself With Exercises
• Work out:
• Utilize the HTML remark tag to say something out of the “This is a remark” text.
• This is a heading
• This is a remark
• This is a paragraph.



Model: A HTML remark

• This is a paragraph.



Definition and Usage

• The remark tag is utilized to embed remarks in the source code. Remarks are not shown in the programs.
• You can utilize remarks to clarify your code, which can help you when you alter the source code sometime in the not too distant future. This is particularly helpful assuming you have a great deal of code.



Program Support

Component

< !--...--> Yes Yes Yes Yes Yes

Tips and Notes

• You can utilize the remark tag to “stow away” scripts from programs without help for scripts (so they don’t show them as plain text)
• Note: The two forward slices toward the finish of remark line (//) is the JavaScript remark image. This keeps JavaScript from executing the – – > tag.



Standard Attributes

• The remark tag doesn’t uphold any standard credits.
• More data about Standard Attributes.



Occasion Attributes

The remark tag doesn’t uphold any occasion credits.




More data about Event Attributes.

Component of HTML Document Structure Before And After HTML5 – Here’s What Changed. This component is utilized to add a remark to a HTML report. A HTML remark starts with . HTML remarks are apparent to anybody that sees the page source code, however are not delivered when the HTML archive is delivered by a program.



• Show
• inline
• Code Example
• You will actually want to see this text.


• You can not see this text.
• You can even remark out things in
• Or then again you can remark out
• an enormous number of lines.



Something else you can do is put remarks subsequent to shutting labels, to assist you with observing where a specific component closes.
(This can be useful on the off chance that you have a ton of settled components.)




You will actually want to see this text. You can even remark out things in a sentence. Something else you can do is put remarks subsequent to shutting labels, to assist you with observing where a specific component closes. (This can be useful in the event that you have a ton of settled components.)




The is a HTML remark tag.

To remark out in HTML, embed data between labels (programs won’t show these notes). Remarking in HTML permits engineers to leave notes about their code, its usefulness or to demonstrate vital changes for what’s to come.




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Remarking in HTML

This HTML remark tag consolidates a remark in the source code of the HTML record. The model beneath adds a remark HTML:

Model

• This is a model text that will not be shown in the program



This will be displayed in the browser.

At times, you may have to make HTML remark out notes in numerous lines. Utilize the accompanying code to figure out how to remark out HTML multi-line remarks (or square remarks):




Model

• <'div>
• This text is apparent. Check the source code for multi-line comment.
• Hi, world! I’m a remark and I am
• shown in various lines!



Note: there used to be a HTML <'comment> tag, yet it isn’t upheld by any cutting edge program. Try not to utilize it to conceal your remarks.




Program Support

• Remark is a piece of code which is overlooked by any internet browser. It is a decent practice to add remarks into your HTML code, particularly in complex archives, to show segments of a record, and some other notes to anybody checking out the code. Remarks assist you and others with understanding your code and expands code intelligibility.


• HTML remarks are put in the middle labels. In this way, any substance put with-in labels will be treated as remark and will be totally disregarded by the program.



Model: Live Demo



This will deliver the accompanying outcome without showing the substance given as a piece of remarks −

Substantial versus Invalid Comments

Second the twofold scramble grouping “- – ” may not show up inside a remark besides as a feature of the end – – > tag. You should likewise ensure that there are no spaces in the beginning of remark string. Here, the given remark is a legitimate remark and will be cleared off by the program.






This will create the accompanying outcome −

Be that as it may, following line is anything but a substantial remark and will be shown by the program. This is on the grounds that there is a space between the left point section and the interjection mark.






Multiline Comments

Up until this point we have seen single line remarks, however HTML upholds multi-line remarks also. You can remark various lines by the extraordinary starting tag put before the primary line and end of the last line as displayed in the given model beneath.






Restrictive Comments

Restrictive remarks just work in Internet Explorer (IE) on Windows yet they are disregarded by different programs. They are upheld from Explorer 5 onwards, and you can utilize them to guide various forms of IE.




Conditional Comments

You will go over a circumstance where you should apply an alternate template in view of various forms of Internet Explorer, in such circumstance contingent remarks will be useful.




Utilizing Comment Tag

• There are not many programs that help <'comment> tag to remark a piece of HTML code.
• Note − The <'comment> tag censured in HTML5. Try not to utilize this component.
• In the event that you are utilizing IE, it will deliver following outcome. Yet, on the off chance that you are not utilizing IE, then, at that point, it will deliver following outcome.



Remarking Script Code

However you will learn JavaScript with HTML, in a different instructional exercise, yet here you should make a note that assuming you are involving Java Script or VB Script in your HTML code then it is prescribed to put that content code inside appropriate HTML remarks so old programs can work appropriately.




Remarking Style Sheets

However you will get the hang of utilizing templates with HTML in a different instructional exercise, yet here you should make a note that on the off chance that you are utilizing Cascading Style Sheet (CSS) in your HTML code it is prescribed to put that template code inside appropriate HTML remarks so old programs can work appropriately.



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Conclusion:

HTML is superfluous for the raising issues of crowd, reason, plan, and openness. Learning HTMLneed to be an obstruction to getting the hang of composing, that is feasible to utilize HTML to address composing issues.