i am use $(expr).attr("hash",value) to set a "hash" attribute for HTML anchor element "a" but the Jquery would not do that. but if i change expr to "div", then i can set "hash" attribute to "div" tag.i am use $(expr).attr("hash",value) to set a "h
阅读背景：
JQuery，为标签设置属性
来源：互联网
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