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JS生成指定范围内的数组

2024-08-20 18:58:27   221人阅读

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
var arr = [];

Array.prototype.range = function ( start,end ){
    var _self = this;
    var length = end - start +1;
    var step = start - 1;
    return Array.apply(null,{length:length}).map(function (v,i){step++;return step;});
}


console.log(arr.range(2,10));

</script>
</head>

<body>
</body>
</html>

 

JS生成指定范围内的数组


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