


A brief discussion on the difference between href=# and href=javascript:void(0)_Experience exchange
#"包含了一个位置信息
默认的锚点是#top 也就是网页的上端
而javascript:void(0) 仅仅表示一个死链接
这就是为什么有的时候页面很长浏览链接明明是#可是跳动到了页首
而javascript:void(0) 则不是如此
所以调用脚本的时候最好用void(0)
或者
打开新窗口链接的几种办法
1.window.open('url')
2.用自定义函数
<script><br> function openWin(tag,obj)<br> {<br> obj.target="_blank";<br> obj.href = "Web/Substation/Substation.aspx?stationno="+tag;<br> obj.click();<br> }<br> </script>
window.location.href=""
-------------------------------------------------------------------------------
如果是个# ,就会出现跳到顶部的情况,个人收藏的几种解决方法:
1:
2:
3:
4:
5:(好像在FF中不能显示)
-------------------------------------------------------------------------------
慎用JavaScript:void(0)
JavaScript中void是一个操作符,该操作符指定要计算一个表达式但是不返回值。
void 操作符用法格式如下:
1. javascript:void (expression)
2. javascript:void expression
expression是一个要计算的 JavaScript 标准的表达式。表达式外侧的圆括号是可选的,但是写上去是一个好习惯。我们可以使用 void 操作符指定超级链接。表达式会被计算但是不会在当前文档处装入任何内容。面的代码创建了一个超级链接,当用户点击以后不会发生任何事。当用户点击链接时,void(0) 计算为 0,但在 JavaScript 上没有任何效果。
In other words, if you want to perform certain processing without refreshing the page as a whole, you can use void(0), but if you need to refresh the page, you need to be careful.

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