--- /dev/null
+// 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 = function fill(value /*, start = 0, end = @length */){
+ var O = toObject(this)
+ , length = toLength(O.length)
+ , aLen = arguments.length
+ , index = toIndex(aLen > 1 ? arguments[1] : undefined, length)
+ , end = aLen > 2 ? arguments[2] : undefined
+ , endPos = end === undefined ? length : toIndex(end, length);
+ while(endPos > index)O[index++] = value;
+ return O;
+};
\ No newline at end of file