How to use if comments in html

We often use IE, CSS, hack, and IE conditions in CSS layoutCommentswill play a big role, so today we will talk about how to use it if conditional comment.

It starts with a less than sign + an exclamation point + two minus signs and ends with two minus signs and ends with a greater than sign (all characters are input in English lowercase), and the annotation content Put it in.

General comments, we cannot use the browser to see the comment content, we can only see the comment content through the html source code.

if What does IE mean? The following lists some common HACKcontrol statementsin CSS.
As a reminder for using IF conditional comments in IE, sometimes try if IE instead of using hacks in css.
Use conditional if comments in HTML to allow different versions of the clientIE browserto read the content in the respective versions of the browser comments.

If condition different version browser comment list:






Recognized by IE7 and versions below

Comment annotation function

Common function annotation
We develop a piece of html code for easy understanding and different programs in the future To understand the special meaning of your code, we can use Html comments to help. Functions as explanation, annotation, and remarks.

if conditional annotation
Our second major point is to explain the if conditional annotation, so that different browsers can read and recognize the conditional content.

Avoid abusing comments The character size is increased by loading. At the same time, do not use Chinese in comments to avoid Chinese encoding problems causing garbled web pages.

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How to use the