up

1-js/04-object-basics/01-object/3-is-empty/_js.view/solution.js

@@ -0,0 +1,7 @@
+function isEmpty(obj) {
+  for (let key in obj) {
+    // if the loop has started, there is a prorty
+    return false;
+  }
+  return true;
+}

1-js/04-object-basics/01-object/3-is-empty/_js.view/test.js

@@ -0,0 +1,11 @@
+describe("isEmpty", function() {
+  it("returns true for an empty object", function() {
+    assert.isTrue(isEmpty({}));
+  });
+
+  it("returns false if a property exists", function() {
+    assert.isFalse(isEmpty({
+      anything: false
+    }));
+  });
+});