Nodejs Array Range range(start, count)

Method Source Code

Array.range  = function(start, count) {
  var arr = [],/*from   w w  w  .j a va  2s .  c  o m*/
      val = start;
  while(count > 0) {
    arr.push(val);
    count--;
    val++;
  }
  return arr;
}

console.log(Array.range(-1,4).sum());

Related

1. range()

   Array.prototype.range = function() {
     var min = null,
       max = null,
       sum = null,
       i, len;
     for (i = 0, len = this.length; i < len; ++i) {
       var elem = this[i];
       sum += elem;
       if (min === null || min > elem) min = elem;
   ...
   

2. range(end, step)

   Array.range = function (end, step) {
     var array = [];
     for (var i = step; i <= end; i += step) {
       array.push(i);
     return array;
   

3. range(first, second)

   Array.prototype.range = function(first, second) {
     var range = []
     console.log(typeof second)
     if (typeof second === 'undefined') {
       for (var i = 0; i < first; i++) {
         range.push(i)
       return range
     for (var i = first; i < second; i++) {
       range.push(i)
     return range
   

4. range(from, to)

   Array.prototype.range = function(from, to) {
     var result = []
     while (from <= to)
       result.push(from++)
     return result
   

5. range(from, to)

   Array.prototype.range = function(from, to) {
     var i, result = [];
     for (i = from; i<= to; i++) {
       result.push(i);
     return result;
   };
   console.log([].range(1, 10));
   

6. range(start, end)

   Array.range = function (start, end) {
     var a = [], i;
     for (i = start; i < end; i += 1) {
       a[i] = i;
     return a;
   

7. range(start, end)

   Array.prototype.range = function(start, end) {
       var result = [];
       for (var i = start; i <= end; i++) {
           result.push(i);
       return result;
   

8. range(start,end)

   Array.prototype.range = function(start,end){
     return Array.apply(null, Array(end-start+1)).map(function (_, i){
         return start+i;
     });
   };
   

9. range(start,end,step)

   Array.prototype.range = (start,end,step)=>{
       const stepVal = step || 1
       const set = new Set()
       for (var i=start;i<=end;i=i+stepVal){
           set.add(i)
       return [...set]
   Set.prototype.union = function (set) {
   ...