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Vue3. History

Spotless Shrew answered on November 4, 2023 Popularity 3/10 Helpfulness 1/10

answer Vue3. History

Vue3. History

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export default {
  // Unique identifier for the component (optional)
  name: 'MyComponent',

  // Registering child components (optional)
  components: {
    ChildComponent
  },

  // Properties returned from data() become reactive state
  // and will be exposed on `this`.
  data() {
    return {
      count: 0,
      message: 'Hello, Vue!'
    }
  },

  // Computed properties are reactive properties that are derived
  // from one or more reactive properties.
  computed: {
    doubleCount() {
      return this.count * 2;
    }
  },

  // Methods are functions that mutate state and trigger updates.
  // They can be bound as event handlers in templates.
  methods: {
    increment() {
      this.count++;
    },
    sayHello() {
      alert(this.message);
    }
  },

  // Lifecycle hooks are called at different stages
  // of a component's lifecycle.
  // This function will be called when the component is mounted.
  mounted() {
    console.log(`The initial count is ${this.count}.`);
  },

  // Watchers allow you to react to changes in reactive properties.
  watch: {
    count(newValue, oldValue) {
      console.log(`Count changed from ${oldValue} to ${newValue}.`);
    }
  },

  // This function will be called when the component is destroyed.
  beforeDestroy() {
    console.log('Component is about to be destroyed.');
  },

  // Provide props if this component is used as a child component
  props: {
    prop1: String,
    prop2: Number
  },

  // Define the initial value of a reactive property (similar to data())
  setup() {
    const initialData = reactive({
      someValue: 'Initial Value'
    });

    return {
      initialData
    };
  },

  // Define the initial value of a reactive property using Composition API
  setup() {
    const initialData = ref('Initial Value');

    return {
      initialData
    };
  },

  // Define computed properties using Composition API
  setup() {
    const doubleCount = computed(() => this.count * 2);

    return {
      doubleCount
    };
  }
}

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: chat.openai.com

Tags: history javascript

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Contributed on Nov 04 2023

Spotless Shrew

0 Answers Avg Quality 2/10

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