a.relList initial length: 0 a.relList always returns the same value: true a.relList for after setting rel to "whatever": whatever a.relList for after setting rel to "prefetch": prefetch a.relList contains "prefetch": true a.relList contains "whatever": false area.relList initial length: 0 area.relList always returns the same value: true area.relList for after setting rel to "whatever": whatever area.relList for after setting rel to "prefetch": prefetch area.relList contains "prefetch": true area.relList contains "whatever": false form.relList initial length: 0 form.relList always returns the same value: true form.relList for after setting rel to "whatever": whatever form.relList for after setting rel to "prefetch": prefetch form.relList contains "prefetch": true form.relList contains "whatever": false link.relList initial length: 0 link.relList always returns the same value: true link.relList for after setting rel to "whatever": whatever link.relList for after setting rel to "prefetch": prefetch link.relList contains "prefetch": true link.relList contains "whatever": false svg.a.relList initial length: 0 svg.a.relList always returns the same value: true svg.a.relList for after setting rel to "whatever": whatever svg.a.relList for after setting rel to "prefetch": prefetch svg.a.relList contains "prefetch": true svg.a.relList contains "whatever": false