jQuery addClass example
Change class name on click in jQuery
HTML
<div id="work_time"></div>
JavaScript
var delay = (function(){
var timer = 0;
return function(callback, ms){
clearTimeout (timer);
timer = setTimeout(callback, ms);
};
})();
var i = 0;
timer = function() {
i++;
$('#work_time').text(i);
setTimeout(timer, 1000);
}
$(document).keypress(function() {
delay(function(){
clearTimeOut(timer);
}, 1000 );
timer();
});