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.ja  v  a 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 len = this.length;
  var output = {count:0, index:-1, length:len};

  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{
    first +=1;
    last = mid -1;
      
    }
    
    output.count ++;
  }
  return output;
};

Related

1. toTwenty()

   Array.prototype.toTwenty = function(){
       var start = 1;
       var end = 20;
       for(var i = start; i <= end; i += 1){
           this.push(i);
      return this;
   var oneToTwenty = [].toTwenty(); */
   ...
   

2. toTwenty()

   Array.prototype.toTwenty = function(){
       var start = 1;
       var end = 20;
       for(var i = start; i <= end; i += 1){
           this.push(i);
      return this;
   Array.prototype.toForty = function(){
   ...
   

3. toTwenty()

   Array.prototype.toTwenty = function() {
     return Array.range(20, 1);
   };
   

4. toTwenty()

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

5. toTwenty()

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

6. 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 = [];
   ...
   

7. 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 = [];
   ...
   

8. 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);
   ...
   

9. 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 = [];
   ...