Test name | Executions per second |
---|---|
typeof string is undefined | 311730432.0 Ops/sec |
typeof undefined is undefined | 313058304.0 Ops/sec |
string is undefined | 377545408.0 Ops/sec |
undefined is undefined | 329374560.0 Ops/sec |
typeof "not undefined" === "undefined"
typeof undefined === "undefined"
"not undefined" === undefined
undefined === undefined