标签:toggleclass
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);
}
}
标签:toggleclass
原文地址:http://lwsdd.blog.51cto.com/3000061/1692809