Creates a debounced copy of the function which when called will delay the execution until the specified amount of milliseconds have elapsed since the last time it ran.This function is valid in v2.0.0 to v2.14.3. This function has been downloaded 3 times.
fnCallbackwill be invoked.
trueif the debounce function should run immediately instead of initially waiting for the delay. If
trueis specified, when the debounced function runs, if the delay has elapsed, the value returned from the debounced function will be that which was returned by