My goal is to decrement the value of a data property every second in Vue.js using the following code snippet:
data() {
return {
timer: null
}
},
mounted() {
this.timer = 50;
window.setInterval(() => {
this.$set(this, 'timer', this.timer - 1)
}, 1000);
},
However, I noticed that the timer does not update automatically in the Vue DevTools. While it does update in the jsfiddle output. Is this reactivity issue? If so, how can I ensure it is reactive?
Like @connexo has stated in the comments, the reactivity of the timer is evident as it changes its value within the template.
One possible explanation for this issue could be that you have not included timer in the component template in your specific environment. There is a relevant Github issue on this topic, which explains that if there are no DOM elements affected by data, vue-devtools will not update either.
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