Within my Vue.js application, I have a `computed` property that relies on a value fetched from an AJAX call. I am looking for a way to delay the calculation of this `computed` property until after the `ready` method has completed. While everything is functioning correctly, the persistent error in the console is becoming bothersome.
If you're looking for a solution, you might consider implementing the following:
let app = new Vue({
el: '#demo',
data: {
numbers: []
},
created () {
// simulating an asynchronous call
setTimeout(() => {
this.numbers = [1, 2, 3, 4, 5]
}, 2000)
},
computed: {
total () {
// if the array is empty, return 0
if (this.numbers.length === 0) {
return 0
}
// otherwise, calculate and return the sum
return this.numbers.reduce((prev, curr) => prev + curr);
}
}
})<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/1.0.24/vue.min.js"></script>
<div id="demo">
{{ total }}
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