js数组去重1

gistfile1.js

function removeDuplicates(arr) {
    var temp = {},
        r = [],
        i,k;
        
    for (i = 0;i < arr.length;i++) {
      temp[arr[i]] = true;
    }
    var r = [];
    for (k in temp) {
        r.push(k);
    }
    return r;
}