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href value of a tag

高洛峰
Release: 2016-10-31 11:48:50
Original
1380 people have browsed it

click实验证明,页面上能不用这个值就最好不要用这个#,这个#会让你的页面瞬间滚动到页面的顶部,我不知道已经踩了多少次坑了,就是因为这个‘#’

hello这条语句跟world这条我一开始看一个博客说有一点区别,然后我就demo了一下,感觉没区别啊

上代码,你们可以测试一下

<!DOCTYPE html>
<html>
<head>
    <meta charset=&#39;UTF-8&#39;>
    <title>a</title>
</head>
<body>
<a href="javascript:;" onclick=&#39;demo()&#39;>hello</a>
<a href="javascript:void(0)" onclick=&#39;demo()&#39;>world</a>
</body>
<script type="text/javascript">
    function demo(){
        alert(&#39;hello&#39;);
    }
</script>
</html>
Copy after login

感觉一样的,但是看到有博客是这样解释的

 

a href="javascript:;" onclick="demo()"与world的区别只是执行了一条空的js代码

其实我不太懂这句话是什么意思,有哪些大神能帮忙解释一下就最好不过了


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