javascript - JQuery timeout function -


i trying use jquery/javascript following having trouble finding information how done.

i want create function when called, wait 2 seconds response user (a keypress example). if response collected anytime within 2 seconds, event executed while if there no keypress withing 2 seconds, event b executed.

function waitforinput { if(response within 2 second timeout?) event executed else if (timed out) event b executed }

try this

var timeout;  $('#input').on('keyup', function () {     if (timeout) {        cleartimeout(timeout);        $('#div').removeclass('a');  // corresponds event     }     timeout = settimeout(function () {         $('#div').addclass('a');  // corresponds event b     },1000);     console.log(timeout) });

check fiddle


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