OnClick event lost on input field

Type 2 characters in an input field.

When typing into an input field that has an onchange event handler on it, events fail to fire when a prior onChange event on the same input field does either setTimeout (16ms) or requestAnimationFrame request that takes a function that does some fairly extensive processing (i recreated with a long loop in the callback). The resulting behavior is the 2nd character entered into the input field fires the onKeyDown event and onInput events but the onChange event is never called with the resulting character.