javascript - Trigger browser pagedown

Question

Is there a way to trigger browser pagedown action with javascript?

var e = document.createEvent('KeyboardEvent');
e.initKeyboardEvent('keydown', true, true, window, false, false, false, false, 34, 0);
document.dispatchEvent(e);

Doesn't seem to work. Keypress is there, but actual scrolling is not happening.

Answer 1

解決策を試す

window.onkeyup= function(e) {
    if (e.keyCode === 34) {
      alert('PageDown');        
    }
}​

例： http： //jsfiddle.net/hzCFD/4/