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返回对象在当前级别中是第几个元素的实现代码_javascript技巧
- WBOYOriginal
- 2016-05-16 18:11:361295browse
复制代码 代码如下:
//语法：prev(element)
//参数：element对象
//返回：对象在当前级别中是第几个元素,从1开始
//2010-08-26 15:13:55
function prev(elem,cont) {
if(!cont){cont=1}
elem = elem.previousSibling;
if(elem){return prev(elem,(cont+1))}
return cont
}
prev($("ext-gen232"))
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