一、
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>1.数组原型上实现一个数组去重的方法</title>
</head>
<body>
<script>
Array.prototype.myDistinct=function () {
var newAry=[];
for(var i=0;i<this.length;i++){
if(newAry.indexOf(this[i])==-1){
newAry.push(this[i])
}
}
return newAry
};
var ary=[1,2,1,2,3,3,1,4,4];
console.log(ary.myDistinct());
</script>
</body>
</html>
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