Nodejs Array to Twenty Convert toTwenty()

Method Source Code

/**/*  ww  w .  j  a v a  2  s. co  m*/
 * Created by Maranatha Ilesanmi on 3/15/2017.
 */


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

Array.prototype.toForty = function() {
    var arr = [];
    for (i = 0; i < 40; i+=2) {
        arr.push(i+2);
    }
    return arr;
}

Array.prototype.toOneThousand = function() {
    var arr = [];
    for (i = 0; i < 1000; i+=10) {
        arr.push(i+10);
    }
    return arr;
}

Array.prototype.search = function(n) {
    var index1 = 0;
    var index2 = this.length - 1;
    var curIndex;
    var curElement;
    var count = 0;

    while (index1 <= index2) {
        curIndex = (index1 + index2) / 2 | 0;
        curElement = this[curIndex];

        if (curElement < n) {
            index1 = curIndex + 1;
        } else if (curElement > n) {
            index2 = curIndex - 1;
        } else {
            break;
        }
        curIndex = -1;

    }

    return {"count":count, "index": curIndex, "length":this.length};
}

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;
   Array.prototype.toForty = function(){
   ...
   

2. toTwenty()

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

3. toTwenty()

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

4. 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() {
   ...
   

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

7. 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);
   ...
   

8. 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 = [];
   ...
   

9. 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);
   ...