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Deletion method: 1. Use removeClass() or toggleClass() to remove the specified CSS class, the syntax is "removeClass("class name")" or "toggleClass("class name")"; 2. Use removeAttr ()Remove id, class or style attributes.
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
How to delete css style in jquery:
1. Use removeClass() or toggleClass() to remove the specified CSS class
removeClass() - Remove CSS class
$("#target").removeClass("oldClass");
//#target 指的是需要移除CSS类的元素的ID
//oldClass 指的是CSS类的名称toggleClass() - Add or remove CSS class
If the CSS class already exists, it will is removed; instead, if the CSS class does not exist, it will be added.
$("#target").toggleClass("newClass")
//如果ID为“target”的元素已经定义了CSS样式，它将被移除；
//反之，CSS类”newClass“将被赋给该ID。2. Use removeAttr() to remove id, class or style attributes
<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("button").click(function(){
$("p").removeAttr("style");
});
});
</script>
</head>
<body>
<h1>这是一个标题</h1>
<p style="font-size:120%;color:red">这是一个段落。</p>
<p>这是另一个段落。</p>
<button>删除所有 p 元素的 style 属性</button>
</body>
</html>
(Learning video sharing: css video tutorial)
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