Test name | Executions per second |
---|---|
typeof string is undefined | 549128704.0 Ops/sec |
typeof undefined is undefined | 560149376.0 Ops/sec |
string is undefined | 556117184.0 Ops/sec |
undefined is undefined | 550466240.0 Ops/sec |
typeof "not undefined" === "undefined"
typeof undefined === "undefined"
"not undefined" === undefined
undefined === undefined