Nodejs Array to Twenty Convert toTwenty()

Method Source Code

Array.prototype.toTwenty = function(){
 var answer=[];//from  ww  w .  ja  v  a 2 s.  c o  m
   
   for (var i=1; i<=20; i++){
     answer.push(i)
   }
   return answer;
}


Array.prototype.toForty = function(){
  var answer=[];
   
   for (var i=2; i<=40; i=i+2){
     answer.push(i)
   }

   return answer;
}

Array.prototype.toOneThousand = function(){
 var answer=[];
   
   for (var i=10; i<=1000; i=i+10){
     answer.push(i)
   }

   return answer;
}

Array.prototype.search = function(d){
 var minIndex = 0;
   var maxIndex = this.length - 1;
   var currentElement;
   var count=0;

   while(minIndex <= maxIndex) {
       currentElement = Math.floor((maxIndex + minIndex) / 2);

       if (this[currentElement] === d) {
           return {index:currentElement, count:count};
       }
       else if (this[currentElement] < d) {
           minIndex = currentElement + 1;
           count=0;
       }
       else if (this[currentElement] > d) {
           minIndex = currentElement - 1;
           count+=0;
       }
       else {
           maxIndex = currentElement - 1;
           count+=1;
       }
       
     

   }
return {index:-1, count:count, length:this.length};
   
}

Related

1. toTwenty()

   Array.prototype.toTwenty = function(){
     var twenty = [];
     for ( var i = 1; i <= 20; i++){
       twenty.push(i)
         return twenty
   Array.prototype.toForty = function() {
     var forty = [];
   ...
   

2. toTwenty()

   Array.prototype.toTwenty = function() {
     for(let i=1; i<=20; i++) {
       this.push(i);
     return this;
   Array.prototype.toForty = function() {
     for(let i=2; i<=40; i+=2) {
       this.push(i);
   ...
   

3. toTwenty()

   Array.prototype.toTwenty = function() {
     var newArray = [];
     for (var i = 1; i <= 20; i++) {
       newArray.push(i);
     return newArray;
   Array.prototype.toForty = function() {
     var newArray = [];
   ...
   

4. toTwenty()

   Array.prototype.toTwenty = function(){
     for(var loop =1; loop<=20;loop++){
       this.push(loop);
     return this;
   };
   Array.prototype.toForty = function(){
     for(var loop = 1;loop<=20;loop++){
       this.push(loop*2);
   ...
   

5. toTwenty()

   const binarySearch = function binarySearch (){
   Array.prototype.toTwenty = function () {
    for (var i = 1; i <= 20; i++){
      this.push(i);
    return this;
   };
   Array.prototype.toForty = function () {
    for (var i = 2; i <= 40; i+=2){
   ...
   

6. toTwenty()

   Array.prototype.toTwenty = function(){
     var array = new Array();
     for(var i = 1; i <= 20; i++){
       array.push(i);
     return array;
   };
   Array.prototype.toForty = function(){
     var array = new Array();
   ...
   

7. toTwenty()

   var oneToTwenty = [].toTwenty();
   var twoToForty = [].toForty();
   var tenToOneThousand = [].toOneThousand();
   Array.prototype.toTwenty = function(){
       var start = 1;
       var end = 20;
       for(var i = start; i <= end; i += 1){
           result.push(i);
      return result;
   Array.prototype.toForty = function(){
       var start = 2;
       var end = 40;
       for(var i = start; i <= end; i += 2){
           result.push(i);
      return result;
   Array.prototype.toOneThousand = function(){
       var start = 10;
       var end = 1000;
       for(var i = start; i <= end; i += 10){
           result.push(i);
      return result;
   var tenToOneThousand = [].toOneThousand();
    Array.prototype.Search = function(d) {
           start = start || 0;
           end = end || this.length;
           var ind = Math.floor(end + start) / 2;
           if(!search) {return "Nothing to search";}
           if(result[ind] == search)
              { return ind;}
           else if(result[ind] < search)
               {return result.Search(search, ind, end);}
           else
               {return result.Search(search, start, ind);}
   

8. toTwenty()

   Array.prototype.toTwenty = function() {
     'use strict';
     var arr = [];
     var count = 0;
     for (var i = 1; i <= 20; i++) {
       count += i;
       arr.push(i);
     return arr;
   ...