数组去重

//数组去重

function noRepeat(arr){

var i=0;

var len=arr.length;

var obj={};

var resArr=[];

while(++i<len){

obj[arr[i]]||resArr.push(arr[i])

obj[arr[i]]=true;

}

return resArr;

}

var arr1=[1,6,9,5,3,6,9,1,2,3,3];

console.log(noRepeat(arr1));