1
2
3
4
5
6
7
8
9
10
11
12
13
| "use strict";
|
| var value = require("./valid-value")
| , objPropertyIsEnumerable = Object.prototype.propertyIsEnumerable;
|
| module.exports = function (obj) {
| var i;
| value(obj);
| for (i in obj) {
| if (objPropertyIsEnumerable.call(obj, i)) return i;
| }
| return null;
| };
|
|
