Opal-Estate-Pro/node_modules/es5-ext/array/#/copy-within/is-implemented.js
2019-09-13 11:27:52 +07:00

8 lines
188 B
JavaScript

"use strict";
module.exports = function () {
var arr = [1, 2, 3, 4, 5];
if (typeof arr.copyWithin !== "function") return false;
return String(arr.copyWithin(1, 3)) === "1,4,5,4,5";
};