How to implement computed properties in Vue.js?


Posted On: Jan 02, 2023


Computed properties are properties in a Vue.js component that are calculated based on other properties in the component. They are like methods, but they are cached based on their dependencies, and will only re-evaluate when one of their dependencies changes. This can be more efficient than calling a method multiple times, especially if the method's result is expensive to compute.


    <p>{{ reversedMessage }} </p>

export default {
  data() {
    return {
      message: 'Hello world!'
  computed: {
    reversedMessage() {
      return this.message.split('').reverse().join('')

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