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id,class,name区别_html/css_WEB-ITnose

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Release: 2016-06-24 11:23:23
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id,class,name区别

id:标签唯一标识,好比我们身份证号码,具有唯一性。JS常用document,getGlementBy(id).

class:标签的类别,可重复使用,CSS常用。

name:标签的名称,与from表单配合使用提交数据后台。

id,class一般是页面使用,name一般是后台交互使用。

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