- function hasClass(obj, cls) {
- return obj.className.match(new RegExp(‘(\\s|^)‘ + cls + ‘(\\s|$)‘));
- }
-
- function addClass(obj, cls) {
- if (!this.hasClass(obj, cls)) obj.className += " " + cls;
- }
-
- function removeClass(obj, cls) {
- if (hasClass(obj, cls)) {
- var reg = new RegExp(‘(\\s|^)‘ + cls + ‘(\\s|$)‘);
- obj.className = obj.className.replace(reg, ‘ ‘);
- }
- }
-
- function toggleClass(obj,cls){
- if(hasClass(obj,cls)){
- removeClass(obj, cls);
- }else{
- addClass(obj, cls);
- }
- }
-
- function toggleClassTest(){
- var obj = document. getElementById(‘test‘);
- toggleClass(obj,"testClass");
- }
-------------------------------
parent.className = " newDiv";
//改变classname
原生js添加class,布布扣,bubuko.com
原生js添加class
原文:http://www.cnblogs.com/dingyuanxin/p/3918311.html