What is cached JavaScript? please anyone tell me.

Answer 1

Think of images, specifically on your phone when you use, say, Instagram. Ever notice how going back to the app, the photos you previously viewed have already been loaded? Those images were CACHED, stored away into your phone's storage for future use.

Answer 2

is Javascript code that is store in the device to optimize the connection time. usually is not a big problem unless you are using AJAX becouse the browser may cache the response