Function debounce

debounce(callback: Function, delay: number): Function
Wrap a callback in a debounced timeout. Delay execution of the callback function until the function has not been called for delay milliseconds
Parameters
- callback: Function
  A function to execute once the debounced threshold has been passed
- delay: number
  An amount of time in milliseconds to delay
Returns Function
A wrapped function which can be called to debounce execution