This tests that document.body.clientWidth and document.body.clientHeight cause a layout on use. The test has passed if they have positive values.
document.body.clientWidth = 800
document.body.clientHeight = 600
This tests that document.body.clientWidth and document.body.clientHeight cause a layout on use. The test has passed if they have positive values.
document.body.clientWidth = 800
document.body.clientHeight = 600