His horses backe , yet to and fro long shooke , And tottred like two towres , which through a tempest quooke

He just coasts through life like it doesn't mean a thing.

Thrones, Dominations, Princedoms, Virtues, Powers; / For in possession such, not only of right, / I call ye, and declare ye now […].

While we can run a plethora of tools against our code to check its quality in advance, there really is no substitute for running that code within a web browser to ensure not only that it runs correctly but also that it is performant and memory-efficient.