console.log({ var_name }); Object format logging preference
!cltm→
console.time(); or console.timeEnd(); A timer you can use to track how long an operation takes
!cltr→
console.trace(); Outputs a stack trace into console
!clg→
console.group(); or console.groupCollapsed(); Creates a new inline group in the console, causing any subsequent console messages to be indented by an additional level
!cla→
console.assert(); Writes an error message to the console if the assertion is false. If the assertion is true, nothing happens
!cld→
console.dir(); Displays an interactive list of the properties of the specified JavaScript object