Array.prototype.indexof = function (val) { for (var i = 0; i < this.length; i++) { if (this[i] == val) return i; } return -1; }; array.PRototype.remove = function (val) { var index = this.indexOf(val); if (index > -1) { this.splice(index, 1); } }; var arr = [1,2,3,4,5,6,88]; arr.remove(88);







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