<script>
var arr = [1,13,24,11,11,14,1,2];
function aaa(arr) {
var result = {};
var data = [];
for(var i=0; i<arr.length; i++) {
if(!result[arr[i]]) {
result[arr[i]] = 1;
console.log(result)
data.push(arr[i]);
}
}
return data;
}
console.log(aaa(arr));
</script>
![](https://img.haomeiwen.com/i15311104/b14d2e9b409598cd.jpg)
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