08-27-周三_17-09-29

node_modules/dnode-protocol/lib/is_enum.js

@@ -0,0 +1,12 @@
+var objectKeys = require('./keys');
+
+module.exports = function (obj, key) {
+    if (Object.prototype.propertyIsEnumerable) {
+        return Object.prototype.propertyIsEnumerable.call(obj, key);
+    }
+    var keys = objectKeys(obj);
+    for (var i = 0; i < keys.length; i++) {
+        if (key === keys[i]) return true;
+    }
+    return false;
+};