clear interval in js code example

Example 1: how to reset interval javascript

function myFn() {console.log('idle');}

var myTimer = setInterval(myFn, 4000);

// Then, later at some future time, 
// to restart a new 4 second interval starting at this exact moment in time
clearInterval(myTimer);
myTimer = setInterval(myFn, 4000);

Example 2: add set time out in jquery

$(".submit_wide").click(function () {
    $(this).val('Please wait..');
    $(this).attr('disabled', true);
    setTimeout(function() { 
        $(this).attr('disabled', false);
        $(this).val('Submit');
    }, 2000);
});