[JavaScript]数组取最大最小值

//[JavaScript]数组取最大最小值
Array.prototype.max=function(){var n = this[0];for(var i=1;i<this.length;i++){if(this[i]>n) n=this[i];}return n;}
Array.prototype.min=function(){var n = this[0];for(var i=1;i<this.length;i++){if(this[i]<n) n=this[i];}return n;}
alert('Max:' + data.max() + '\n' + 'Min:' + data.min())
var data=[137,31659,239,174,26092,111,223,26093,8883,170,13744,170,12473,75,8956,29413,171,15058,31659,26539,15058,23973,171,111,171,42,12965,171,206,171,15019,15,29949,28851,123,123,142,26873,12729,12455,25787,154,13735,13752,63,254,223,25255,25574,28070,158,12025,15,28843,32165,31659,255,171,15058,23973,8935,8883,12965,8957,8883,8929,29949,28851,12198,28141,12735,186,10,13479,15,27616,25834,138,154,107,27111,26342,12280,12025,26873,8948,75,31659,26539,42,60,92,11435,111,8883,170,75,8957,8883,171,26877,206,28851,12198,95,207,154,14010,14525,12001,63,31,207,25529,154,12000,111,239,127,12280,12025,26873,8948,92,11435,239,174,26092,29920,95,223,171,15058,12729,14521,138,11428,154,11428,154,75,11704,11428,12709,11704,11428,154,11428,12709,11704,11428,154,11428,12709,91,12709,11704,75,11704,11428,154,24052];