Test name | Executions per second |
---|---|
typeof string is undefined | 66193784.0 Ops/sec |
typeof undefined is undefined | 4820586.0 Ops/sec |
string is undefined | 4682438.5 Ops/sec |
undefined is undefined | 2455148.8 Ops/sec |
typeof "not undefined" === "undefined"
typeof undefined === "undefined"
"not undefined" === undefined
undefined === undefined