Nodejs Array Fill fill( val )

Method Source Code

Array.prototype.fill = function( val ) {
  var len = this.length, i;

  if(val instanceof Array){
    for( i = len-1; i >= 0; i--){
      this.push(val);/*w  ww.jav a  2  s .  c  o m*/
    }
  } else {
    for( i = 0; i < len; i++){
      this[i] = val;
    }
  }
  return this;
}

Related

1. fill( size, m, n )

   function randomNumber (m,n)
     m = parseInt(m);
     n = parseInt(n);
     return Math.floor( Math.random() * (n - m + 1) ) + m;
   Array.prototype.fill = function( size, m, n )
    var i;
   ...
   

2. fill(first, last, value)

   Array.prototype.fill = function (first, last, value) {
       var i;
       for (i = first; i <= last; i++) {
           this[i] = value;
   

3. fill(n, get)

   Array.prototype.fill = function(n, get)
       for (var i = 0; i < n; i++)
           this[i] = get(i)
       return this
   

4. fill(n,v)

   var n = process.argv[2],
     base = process.argv[3],
     decoration = process.argv[4];
   Array.prototype.fill = function(n,v) {
       n = n || this.length;
       for( var i = 0; i < n; i++ )  {
           this[i] = v === undefined ? i : v;
       return this;
   ...
   

5. fill(value)

   Array.prototype.fill = function (value) {
       var size = this.length;
       while (size > 0) {
           this[--size] = value;
       return this;
   };