4

void 0 //undefined
let undefined = 1

Turns out undefined is not reserved in JS

Comments
  • 2
    It is.
    If you now called "undefined" you'd still get undefined. It might not throw an error but you can't overwrite it.
  • 0
    @Froot Yep.They have restricted it from browser.undefined is not configurable anymore.However ,go to IE,turn it to ie8...Yep!!!Now you can assign values to undefined
  • 1
    @RubyTuesday World is gona burn anyways .Its freakng hot here
  • 0
Add Comment