What to do if IE8 does not support the jQuery version?

Solution to the problem that IE8 does not support the jQuery version: You can load the corresponding version of jQuery by determining the version of the IE browser. Only IE8 can recognize [], and some compatible operations can be performed in IE8 mode.

The operating environment of this tutorial: windows7 system, jquery2.0.2 and jquery1.11.1 versions. This method is suitable for all brands of computers.

Solution to the problem that IE8 does not support the jQuery version:

You can load the corresponding version of jQuery by determining the version of the IE browser

Use statement<!--[if IE 8]> Only recognized by IE8<![endif]--> Some compatible operations can be performed in IE8 mode. The code is as follows:

  <!--[if !IE]> -->
        <script src="/Scripts/jquery-2.0.2.min.js"></script>
    <!-- <![endif]-->
    <!--[if lte IE 8]>
         <script src="/Scripts/jquery-1.11.1.min.js"></script>
    <![endif]-->
   
     <!--[if gt IE 8]>
         <script src="/Scripts/jquery-2.0.2.min.js"></script>
    <![endif]-->

Explanation:

If it is not IE, use 2.02, IE8 and above also use 2.0.2, IE8 and below use version 1.11

Other matters:

1. I originally wanted to use if else, but I heard that else is not recommended, so I used two if

2. I see that the code for judging non-IE is a little different. The following is the explanation:

In non-IE, the following code is recognized as a comment and will be ignored:

<!--[if IE]>
Non-IE browsers ignore this
<![endif]-->

But the following code is different, there is a sentence sandwiched between the two comments Code, will be ignored in IE, but will be recognized in non-IE.

<!--[if !IE]-->
IE ignores this
<!--[endif]-->

Related learning recommendations: javascript video tutorial

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