This page tests whether global declarations are cleared after a navigation. If the test passes, you'll see a series of PASS messages below. Page 0: PASS: 'x' in childWindow should be true and is. PASS: childWindow.x should be 1 and is. PASS: 'f' in childWindow should be true and is. PASS: childWindow.f should be function and is. Page 1: PASS: 'x' in childWindow should be false and is. PASS: childWindow.x should be undefined and is. PASS: 'f' in childWindow should be false and is. PASS: typeof childWindow.f should be undefined and is. PASS: 'name' in childWindow should be true and is. PASS: childWindow.name should be test and is.