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/** * 删除数组指定下标或指定对象 * arr.remove(2);//删除下标为2的对象(从0开始计算) * arr.remove(str);//删除指定对象 */ Array.prototype.remove=function(obj){ for(var i =0;i <this.length;i++){ var temp = this[i]; if(!isNaN(obj)){ temp=i; } if(temp == obj){ for(var j = i;j <this.length;j++){ this[j]=this[j+1]; } this.length = this.length-1; } } }