JS生成指定范围内的数组

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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));

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JS生成指定范围内的数组

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