Test name | Executions per second |
---|---|
typeof string is undefined | 784834944.0 Ops/sec |
typeof undefined is undefined | 8788994.0 Ops/sec |
string is undefined | 9005090.0 Ops/sec |
undefined is undefined | 4487931.0 Ops/sec |
typeof "not undefined" === "undefined"
typeof undefined === "undefined"
"not undefined" === undefined
undefined === undefined