IOTConnect-Web/node_modules/es5-ext/array/#/keys/is-implemented.js
2024-05-09 09:49:52 +08:00

15 lines
401 B
JavaScript

"use strict";
module.exports = function () {
var arr = [1, "foo"], iterator, result;
if (typeof arr.keys !== "function") return false;
iterator = arr.keys();
if (!iterator) return false;
if (typeof iterator.next !== "function") return false;
result = iterator.next();
if (!result) return false;
if (result.value !== 0) return false;
if (result.done !== false) return false;
return true;
};