Nodejs Array to Twenty Convert toTwenty()

Method Source Code

const binarySearch = function binarySearch (){

Array.prototype.toTwenty = function () {
 for (var i = 1; i <= 20; i++){
   this.push(i);//from www . ja  v a  2  s  . c  o m
 }
 return this;
};
Array.prototype.toForty = function () {
 for (var i = 2; i <= 40; i+=2){
   this.push(i);
 }
 return this;
};
Array.prototype.toOneThousand = function () {
 for (var i = 10; i <= 1000; i+=10){
   this.push(i);
 }
 return this;
};

Array.prototype.search = function binarySearch(randNumb) {
 var start = 0;
 var end = this.length -1;
 var answerObj = {count: 0, index: null, length: this.length};
 while(start <= end) {
   var mid = Math.floor((start + end) /2);
   if(this[end] === randNumb) {
     answerObj.index = end;
     return answerObj;
   }
   else {
      end = end - 1;
   }
  if(this[start] === randNumb) {
     answerObj.index = start;
     return answerObj;
   }
   else {
      start = start + 1;
   }
   if(this[mid] === randNumb) {
     answerObj.index = mid;
     return answerObj;
   }
   else if (this[mid] > randNumb) end = mid -1;
   else if (this[mid] < randNumb) start = mid + 1;
    answerObj.count ++;
 }
  answerObj.index = -1;
  return answerObj;
};
}

Related

1. toTwenty()

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

2. 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 = [];
   ...
   

3. 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);
   ...
   

4. 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 = [];
   ...
   

5. 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);
   ...
   

6. toTwenty()

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

7. 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();
   ...
   

8. 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);}
   

9. 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;
   ...