function filter(a1, a2) {
var myAry = [];
var fun = function(item,ary) {
var boo = false;
for(var i=0;i<ary.length;i++) {
if(item==ary[i]) {
boo = true;
break;
}
}
return boo;
}
for(var i=0;i<a1.length;i++) {
if(!a2.contains(a1[i]))
myAry.push(a1[i]);
}
return myAry;
} var c = filter(a,b)
Array.prototype.contains = function(obj) {
var boo = false;
for(var i=0;i<this.length;i++) {
if(typeof obj == "object") {
if(this[i].equals(obj)) {
boo = true;
break;
}
}else {
if(this[i] == obj) {
boo = true;
break;
}
}
}
return boo;
}
function filter(a1, a2) {
var myAry = [];
var fun = function(item,ary) {
var boo = false;
for(var i=0;i<ary.length;i++) {
if(item==ary[i]) {
boo = true;
break;
}
}
return boo;
}
for(var i=0;i<a1.length;i++) {
if(!a2.contains(a1[i]))
myAry.push(a1[i]);
}
return myAry;
}var a=['1','2','3','4'] ;
var b=['1','2'] ;var c = filter(a,b);
alert(c);//输出["3","4"]
var all=document.getElementById("hidall").value;
init取出来是['1','2','3','4']
all取出来是['1','2']
这个是不是不能用你这个比?
<script>
var a=['1','2','3','4'];
var b=['1','2'];
var c=[];
for (var i in a) {
var tmp=false;
for (var j in b) {
if(b[j]==a[i])
tmp = true;
}
if(tmp==false)
c.push(a[i]);
}
alert(c);
</script>