$.array-fill.js
630 Bytes
// 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
'use strict';
var toObject = require('./$.to-object')
, toIndex = require('./$.to-index')
, toLength = require('./$.to-length');
module.exports = [].fill || function fill(value /*, start = 0, end = @length */){
var O = toObject(this)
, length = toLength(O.length)
, $$ = arguments
, $$len = $$.length
, index = toIndex($$len > 1 ? $$[1] : undefined, length)
, end = $$len > 2 ? $$[2] : undefined
, endPos = end === undefined ? length : toIndex(end, length);
while(endPos > index)O[index++] = value;
return O;
};