Benchmark: Class property - delete vs undefined

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();

Rendered benchmark preparation results:

Previous results

Test case name	Result
delete
undefined

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

Run details: (Test run date: 2 years ago)

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

Browser/OS: Chrome 92 on Linux

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

Class property - delete vs undefined (version: 0)