<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>getClessName</title>
</head>
<body>
<input type="submit" id = "sub" class="ss confirm btn" value="提交"/>
<script>
window.onload = function(){
var Opt = document.getElementById('sub');
var getClass = function(className,tagName){
if(document.getElementsByTagName){
var Inp = document.getElementsByTagName(tagName);
for(var i=0; i<Inp.length; i++){
if((new RegExp('(\\s|^)' +className +'(\\s|$)')).test(Inp[i].className)){
return Inp[i];
}
}
}else if(document.getElementsByClassName){
return document.getElementsByClassName(className);
}
}
//alert(getClass("confirm", "input"));
var aa = getClass("confirm", "input");
//alert(Inp);
//alert(Inp);
function getClass(className, targetName){
var ele = [];
var all = document.getElementsByTagName(targetName || "*");
for(var i=0; i<all.length; i++){
if(all[i].className.match(new RegExp('(\\s|^)'+confirm+'(\\s|$)'))){
ele[ele.length] = all[i];
}
}
return ele;
}
function getObjsByClass(tagName, className){
if(document.getElementsByClassName){
alert("document.getElementsByClassName");
return document.getElementsByClassName(className);
}else{
var el = [];
var _el = document.getElementsByTagName(tagName);
for(var i=0; i<_el.length; i++){
if(_el[i].className.indexOf(className) > -1){
alert(_el[i]);
el[_el.length] = _el[i];
}
}
alert(el);
return el;
}
}
function addEvent(ev, type){
var ev = ev || window.event;
if(ev.addEventListener){
ev.addEventListener(type, function(){
alert(ev.type);
}, false);
}else if(ev.attachEvent){
ev.attachEvent("on" + type, function(){
alert("ev.attachEvent");
});
}
}
/*var getClass = function (className, parentNode) {
var node = null;
var temps = [];
if (parentNode != undefined) {
node = parentNode;
} else {
node = document;
}
if(node.getElementsByTagName){
var all = node.getElementsByTagName('*');
for (var i = 0; i < all.length; i ++) {
if ((new RegExp('(\\s|^)' +className +'(\\s|$)')).test(all[i].className)) {
temps.push(all[i]);
}
}
return temps;
}else{
if(node.getElementsByClassName){
return document.getElementsByClassName(className);
}
}
}*/
//alert(getClass("confirm"));
//var obj = getClass("confirm","input");
//alert(obj);
//alert(Opt);
addEvent(aa, 'click');
}
</script>
</body>
</html>
