You need to capture the return value from setInterval( … ) into a variable as that is the reference to the timer: var interval; var count = 0; function onloadFunctions() { countUp(); interval = setInterval(countUp, 200); } /* … code … */ function countUp() { document.getElementById(“here”).innerHTML = count; count++; if(count === 10) { clearInterval(interval); countUp(); … Read more
Actually I believe that we can make a fairly strong conclusion from the W3C spec (http://www.w3.org/TR/html5/webappapis.html#timers). It is not explicitly guaranteed but we have a lot of evidence that almost any reasonable implementation would have this behavior: 1) Timeouts and Intervals actually use the same underlying function: The setTimeout() method must return the value returned … Read more
From quick test, all major browsers (latest Chrome, Firefox and IE) give pretty small numbers as the ID so just looping “blindly” over all possible numbers should work just fine: function ClearAllIntervals() { for (var i = 1; i < 99999; i++) window.clearInterval(i); } Full example: window.onload = function() { window.setInterval(function() { document.getElementById(“Tick”).innerHTML += “tick<br … Read more
var count=30; var counter=setInterval(timer, 1000); //1000 will run it every 1 second function timer() { count=count-1; if (count <= 0) { clearInterval(counter); //counter ended, do something here return; } //Do code for showing the number of seconds here } To make the code for the timer appear in a paragraph (or anywhere else on the … Read more