setinterval

Viewing all the timeouts/intervals in javascript?

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I don’t think there is a way to enumerate active timers, but you could override window.setTimeout and window.clearTimeout and replace them with your own implementations which do some tracking and then call the originals. window.originalSetTimeout = window.setTimeout; window.originalClearTimeout = window.clearTimeout; window.activeTimers = 0; window.setTimeout = function(func, delay) { window.activeTimers++; return window.originalSetTimeout(func, delay); }; window.clearTimeout = … Read more

How do I reset the setInterval timer?

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If by “restart”, you mean to start a new 4 second interval at this moment, then you must stop and restart the timer. 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 … Read more

How to stop “setInterval” [duplicate]

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You have to store the timer id of the interval when you start it, you will use this value later to stop it, using the clearInterval function: $(function () { var timerId = 0; $(‘textarea’).focus(function () { timerId = setInterval(function () { // interval function body }, 1000); }); $(‘textarea’).blur(function () { clearInterval(timerId); }); });

Do something every x minutes in Swift

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var helloWorldTimer = NSTimer.scheduledTimerWithTimeInterval(60.0, target: self, selector: Selector(“sayHello”), userInfo: nil, repeats: true) func sayHello() { NSLog(“hello World”) } Remember to import Foundation. Swift 4: var helloWorldTimer = Timer.scheduledTimer(timeInterval: 60.0, target: self, selector: #selector(ViewController.sayHello), userInfo: nil, repeats: true) @objc func sayHello() { NSLog(“hello World”) }

Stop setInterval

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You need to set the return value of setInterval to a variable within the scope of the click handler, then use clearInterval() like this: var interval = null; $(document).on(‘ready’,function(){ interval = setInterval(updateDiv,3000); }); function updateDiv(){ $.ajax({ url: ‘getContent.php’, success: function(data){ $(‘.square’).html(data); }, error: function(){ clearInterval(interval); // stop the interval $.playSound(‘oneday.wav’); $(‘.square’).html(‘<span style=”color:red”>Connection problems</span>’); } }); … Read more

Code for a simple JavaScript countdown timer?

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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

Changing the interval of SetInterval while it’s running

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You could use an anonymous function: var counter = 10; var myFunction = function(){ clearInterval(interval); counter *= 10; interval = setInterval(myFunction, counter); } var interval = setInterval(myFunction, counter); UPDATE: As suggested by A. Wolff, use setTimeout to avoid the need for clearInterval. var counter = 10; var myFunction = function() { counter *= 10; setTimeout(myFunction, … Read more

How can I make setInterval also work when a tab is inactive in Chrome?

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On most browsers inactive tabs have low priority execution and this can affect JavaScript timers. If the values of your transition were calculated using real time elapsed between frames instead fixed increments on each interval, you not only workaround this issue but also can achieve a smother animation by using requestAnimationFrame as it can get … Read more

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