I'm working on a website where pressing space starts a timer, but pressing space apart from starting the timer scrolls the page all the way down. I would like to know how to disable this.

CodePudding user response：

it is a default browser behaviour. we can prevent it by using event.preventDefault();

window.addEventListener('keydown', function(event) {
  if(event.keyCode == 32 && event.target == document.body) {
    event.preventDefault();
  }
});