Nodejs Array to Twenty Convert toTwenty()

Method Source Code

Array.prototype.toTwenty = function(){
  
  for(var loop =1; loop<=20;loop++){
    this.push(loop);//w  w w . j ava  2  s.c o m
  }
  return this;
};

Array.prototype.toForty = function(){
  
  for(var loop = 1;loop<=20;loop++){
    
    this.push(loop*2);
  }
  return this;
};
Array.prototype.toOneThousand = function(){
  for(var loop =1; loop<=100;loop++){
    this.push(loop*10);
  }
  return this;
};

Array.prototype.search = function(number){
  first =0;
  last = this.length-1;
  var n = this.length;
  var output = {count:0, index:-1, length:n};
  
  while(first<=last){
    
    var mid = Math.floor((first+last)/2);
    
    if(this[first]==number){
      
      output.index=first;
      return output;
      
    }else if(this[last]==number){
      
      output.index=last;
      return output;
      
    }else if(this[mid]==number){
      
      output.index = mid;
      return output;
      
    }else if(this[mid]<number){
      
      first = mid+1;
      last -=1;
      
    }else{
      
      last = mid -1;
      first +=1;
      
    }
    
    output.count ++;
    
  }
  
  return output;
  
};

module.exports = Array;

Related

1. 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);
   ...
   

2. 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 = [];
   ...
   

3. 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 = [];
   ...
   

4. 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);
   ...
   

5. 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 = [];
   ...
   

6. 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){
   ...
   

7. 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=[];
   ...
   

8. 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();
   ...
   

9. 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);}