Simple API to track how long it takes between marks
npm install time-lap

Simple API to track how long it takes between marks
- @param tag: string
- @return void
Begin tracking a new tag. Must be called before you call end.
- @return { tag: string, s: number, ms: number }[]
Ends the last tag, returns an array of how long each tag took in both milliseconds (ms) and seconds (s). mark must have been called once.