Run results for: Class property - delete vs undefined

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Browser: Chrome 92

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
delete	153294.3 Ops/sec
undefined	147471.3 Ops/sec

Tests:

delete
class test { prop = 'test'; clear() { delete this.prop; } } new test().clear();
undefined
class test { prop = 'test'; clear() { this.prop = undefined; } } new test().clear();