1 if (!document.getElementsByClassName) { 2 document.getElementsByClassName = function(className, element) { 3 var children = (element || document).getElementsByTagName(‘*‘); 4 var elements = new Array(); 5 for (var i = 0; i < children.length; i++) { 6 var child = children[i]; 7 var classNames = child.className.split(‘ ‘); 8 for (var j = 0; j < classNames.length; j++) { 9 if (classNames[j] == className) { 10 elements.push(child); 11 break; 12 } 13 } 14 } 15 return elements; 16 }; 17 }
解决ie7,IE8不支持document.getElmentsByClassName的问题
时间: 2024-10-14 10:44:00