Nodejs Utililty Methods Array Search

Array.prototype.search=function(expression){
  var copy = expression;
  expression = expression.replace(/[a-zA-Z0-9]+/g, "#");
  var numbers = copy.split(/[^a-zA-Z0-9]+/).filter(function(n){return n});
  var operators = expression.split("#").filter(function(n){return n});
  var query = [],oi=0,ni=0;
  for(i = 0; i < expression.length; i++){
      if('-'==expression[i] || expression[i]=='+'){
          query.push(operators[oi++]);
...

Array.prototype.search = function(k){
  var a = this;
  this.sort(a);
  var max=a.length-1,min=0,mid;
  while(min<=max){
    mid=(max+min)>>>1;
    if(k>a[mid])
      min = mid+1;
    else if(k<a[mid])
...

Array.prototype.search = function(key) {
  'use strict';
  var max = this.length - 1;
  var min = 0;
  var count = 0;
  while (min <= max) {
    var mid = Math.floor((min + max) / 2);
    if (this[mid] === key) {
      return {
...

Array.prototype.search = function (key, value) {
    return this.reduce(function (result, el) {
        if (result) return result;
        if (key) {
            if (typeof key === "function") {
                if (key(el) === value) {
                    return el;
            } else {
...

Array.prototype.search = function (key, value) {
    if (arguments.length == 1) {
        return this.filter(function (e) {
            return e == value;
        });
    if (arguments.length == 2) {
        var k = arguments[0];
        var value = arguments[1];
...

Array.prototype.search = function(n) {
  var start = 0;
  var end = this.length - 1;
  var result = {count: 0, index: -1, length: this.length};
  while (start <= end) {
    mid = (start + end) / 2 >> 0;
    if (this[start] === n) {
      result.index = start;
      return result;
...

Array.prototype.search = function(search_func){
    for (var i= 0; i<this.length; i++){
        if (search_func(this[i]) == 0)
            return this[i]
    return null;

Array.prototype.search = function(v){
  for (i=0;i<this.length;i++) {
    if (this[i]===v) return i;

Array.prototype.search = function(value){
  var startIndex  = 0,
  stopIndex = this.length - 1,
  middle = Math.floor((stopIndex + startIndex)/2);
  var count = 0;
  while(this[middle] != value && startIndex < stopIndex){
    if (value < this[middle]){
      stopIndex = middle - 1;
    }else if (value > this[middle]){
...

Array.prototype.search = function(value){
  var startIndex  = 0,
  stopIndex = this.length - 1,
  middle = Math.floor((stopIndex + startIndex)/2);
  var count = 0;
  while(this[middle] != value && startIndex < stopIndex){
    count+=1;
    if (value < this[middle]){
      stopIndex = middle - 1;
...