map.js
464 Bytes
var makeIterator = require('../function/makeIterator_');
/**
* Array map
*/
function map(arr, callback, thisObj) {
callback = makeIterator(callback, thisObj);
var results = [];
if (arr == null){
return results;
}
var i = -1, len = arr.length;
while (++i < len) {
results[i] = callback(arr[i], i, arr);
}
return results;
}
module.exports = map;