Problems encountered when clearing timers in AngualrJs

This article mainly introduces the pitfalls encountered by AngualrJs clearing timer. Friends in need can refer to

angualrJs clearing timer climbing pitfalls:

I found a strange problem today , the timer placed in the custom instruction is still executing on another page after the page jumps. This is definitely not possible and will affect the performance of the system.

I used the native method window.onunload in Angular but it didn’t work, so I had to use Angular’s own method $destroy. This page jumps and the DOM structure changes, the timer can be cleared.

var timer = setInterval(function(){ $scope.$apply(function(){ //这里是想要定时刷新的逻辑 }); },3000); $scope.$on('$destroy',function(){ if (timer) { clearInterval(timer); timer = null; } });

Let me talk here, because I use the nativesetTimeout()andsetInterval()functions in javascript, so when clearing The corresponding areclearTimeout()andclearInterval(), the angular timer is$timeOutand$interval, so the clear corresponding is$timeOut.cancel()and$interval.cancel(),

must correspond one to one. Inconsistencies will not be cleared.

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