jquery method to determine whether it is ie

Jquery method to determine whether it is IE: 1. Determine whether the browser is IE6 through "if ('undefined' == typeof(...)"; 2. Through "if (!$.support. leadingWhitespace)" to determine whether it is IE6-IE8.

The operating environment of this tutorial: Windows 7 system, jquery1.9 version, thinkpad t480 computer.

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jquery determines whether it is ie

Before jquery1.9 version, we can use $.browser and $.browser.version to determine the browser type. Starting from version 1.9, $.browser and $.browser.version have been removed and replaced by $.support. You can use the following two methods to determine whether the browser is IE.

1. jquery1.9 or above determines whether the browser is IE6:

if ('undefined' == typeof(document.body.style.maxHeight)) {}

2. jquery1.9 or above determines whether the browser is IE6-IE8:

if (!$.support.leadingWhitespace) {}

Note: jquery2.0 version and later will no longer support IE 6/7/8. In the future, if users need to support IE 6/7/8, they can only use jQuery 1.9.

If you want to use it at the same time:

<!--[if lt IE 9]>    
<script src=&#39;jquery-1.9.0.js&#39;></script>
<![endif]-->
<!--[if gte IE 9]>    
<script src=&#39;jquery-2.0.0.js&#39;></script>
<![endif]-->

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