Bug 131607

Summary: Changing system time when using SetInterval()
Product: WebKit Reporter: Marek <Marek.Grochowski>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal    
Priority: P2    
Version: 525.x (Safari 3.2)   
Hardware: PC   
OS: Windows 8   

Description Marek 2014-04-14 00:46:08 PDT
Using setInterval() or setTimeout() in Javascript code and changing system time backward for example 1 hour causes browser (newest Safari)/ or engine (older version of QT WebKit) to freeze.

Sample code:
HTML:
<p id="date"></p>

JS:
setInterval(SetTime, 1000);
function SetTime() {
document.getElementById('date').textContent=new Date();
}

OR:

(function loop() {
document.getElementById('date').textContent=new Date();
setTimeout(loop, 1000);
})();

StackOverflow question: http://stackoverflow.com/questions/23013324/webkit-setinterval-and-system-time-change