find-key.js
415 Bytes
"use strict";
var o = { 1: 1, 2: 2, 3: 3 };
module.exports = function (t, a) {
var o2 = {}, i = 0;
t(o, function (value, name) {
o2[name] = value;
return false;
});
a(JSON.stringify(o2), JSON.stringify(o), "Iterates");
a(t(o, function () {
++i;
return true;
}), "1", "Finds");
a(i, 1, "Stops iteration after condition is met");
a(t(o, function () {
return false;
}), undefined, "Fails");
};