json - callback functions - url redirection -


i want create callback function, handles javasripting - callback function if want append redirection url - how do - confused start - callback functions -

callback code called on event,

events can click, mousemove, keypress, window resize, ...

you can start search google event handling in js

by example http://www.w3schools.com/js/js_htmldom_events.asp

you can use js library too, jquery managing event

for url redirection, have @ location.href

location.href = "http://google.com";

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