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<title>重写-myslice-切割数组</title>
<script type="text/javascript">
Array.prototype.mySlice = function(begin){
var arr = [];
for(var i=begin;i<this.length;i++){
arr.push(this[i]);
}
return arr;
}
var arr = [8,1,10,3,2];
var result = arr.slice(1);
console.log(result);
var result1 = arr.mySlice(1);
console.log(result1);
var result2 = Array.prototype.mySlice.call(arr,1);
console.log(result2);
</script>
</head>
<body>
</body>
</html>