Array.prototype.removeRepeatAttr=function(){
var tmp={},b=[],a=this;
for(var i=0;i<a.length;i++){
if(!tmp[a[i].id]){
b.push(a[i]);
tmp[a[i].id]=!0;
}
};
return b;
}
var a=[{"id":"1231"}, {"id":"9387"}, {"id":"68433"}, {"id":"1231"}, {"id":"43566"}];
a=a.removeRepeatAttr();
for(var i=0;i<a.length;i++){
alert(a[i].id)
}
var tmp={},b=[],a=this;
for(var i=0;i<a.length;i++){
if(!tmp[a[i].id]){
b.push(a[i]);
tmp[a[i].id]=!0;
}
};
return b;
}
var a=[{"id":"1231"}, {"id":"9387"}, {"id":"68433"}, {"id":"1231"}, {"id":"43566"}];
a=a.removeRepeatAttr();
for(var i=0;i<a.length;i++){
alert(a[i].id)
}
Array.prototype.removeRepeatAttr=function(){
var tmp={},b=[],a=this;
for(var i=0;i<a.length;i++){
if(!tmp[a[i].id]){
tmp[a[i].id]=!0;
}else{
a.splice(i,1);
}
};
}
var a=[{"id":"1231"}, {"id":"9387"}, {"id":"68433"}, {"id":"1231"}, {"id":"43566"}];
a.removeRepeatAttr();
for(var i=0;i<a.length;i++){
alert(a[i].id)
}
for(var i=0; i < a.length; i++) {
for(var j=i+1; j < a.length; j++) {
if(a[i].id == a[j].id) {
a.splice(a[j],1);
}
}
}for(var k=0; k < a.length; k++) {
alert(a[k].id);
}
var tmp={},a=this.slice();
for(var i=j=0;i<a.length;i++){
if(!tmp[a[i].id]){
tmp[a[i].id]=!0;
j++;
}else{
this.splice(j,1);
}
};
}
var arr=[{"id":"1"}, {"id":"2"}, {"id":"1"}, {"id":"3"}, {"id":"2"}, {"id":"5"}, {"id":"3"}, {"id":"4"}, {"id":"2"}, {"id":"4"}];
arr.removeRepeatAttr();//以下只是为了看效果,实际使用时直接操作arr即可
var str='[',tpl='{"{0}","{1}"}';
for(var i=0;i<arr.length;i++){
for(var n in arr[i]){
str+=tpl.replace('{0}',n).replace('{1}',arr[i][n]);
}
}
str+=']';
alert(str)