1: in mounted () {
this.timer = setInterval(() => {
this.rechargeInfo();
}, 3000);} create a timer.
2:
beforeDestroy () {
this.timer = null;
clearInterval(this.timer);},
destroyed () {
this.timer = null;
clearInterval(this.timer);} to clear
.
in theory, the timer is cleared when the component is destroyed. ,
but: the timer is still running when you jump to another page.
question.
this.timer = null;
clearInterval(this.timer); is it in reverse order. If you write clearInterval in this way, the parameter is null how can you destroy the timer correctly
clearInterval(this.timer);
this.timer = null;try it like this
you want to call the destroy hook destroy clearing timer
this.timer = null; this has affected, just remove it
1: in mounted () { this.timer = setInterval(() => { this.rechargeInfo(); }, 3000); } create a timer. 2: beforeDestroy () { when the aspect route is redirected this.timer = null; clearInterval(this.timer); }, destroyed () { this.timer = null; c...