Test name | Executions per second |
---|---|
typeof string is undefined | 752974528.0 Ops/sec |
typeof undefined is undefined | 8188732.0 Ops/sec |
string is undefined | 8387189.0 Ops/sec |
undefined is undefined | 4247162.5 Ops/sec |
typeof "not undefined" === "undefined"
typeof undefined === "undefined"
"not undefined" === undefined
undefined === undefined