javascript getclass

来源:互联网 发布:js 多维数组 去重 编辑:程序博客网 时间:2024/05/21 19:21
<!DOCTYPE HTML><html><head><meta charset="utf-8"><title>无标题文档</title><script>function getByClass(oParent, sClass){var aResult=[];var aEle=oParent.getElementsByTagName('*');for(var i=0;i<aEle.length;i++){if(aEle[i].className==sClass){aResult.push(aEle[i]);}}return aResult;}window.onload=function (){var oUl=document.getElementById('ul1');var aBox=getByClass(oUl, 'box');for(var i=0;i<aBox.length;i++){aBox[i].style.background='red';}};</script></head><body><ul id="ul1"><li class="box"></li><li class="box"></li><li></li><li></li><li></li><li class="box"></li><li></li></ul></body></html>

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