Components Vue.js में: डेटा बनाना, पुन: उपयोग करना और पास करना

// Global Component using Vue.component  
Vue.component('my-component', {  
  // Component options  
});  
  
// Local Component using single-file component  
// MyComponent.vue  
<template>  
  <!-- Component template -->  
</template>  
  
<script>  
export default {  
  // Component options  
};  
</script>

<template>  
  <div>  
    <h1>{{ message }}</h1>  
    <button @click="increment">Increment</button>  
  </div>  
</template>  
  
<script>  
export default {  
  data() {  
    return {  
      message: 'Hello, Vue!',  
      count: 0  
    };  
  },  
  methods: {  
    increment() {  
      this.count++;  
    }  
  }  
};  
</script>  
  
<style scoped>  
/* Component styles */  
</style>

// ParentComponent.vue  
<template>  
  <div>  
    <child-component></child-component>  
    <child-component></child-component>  
  </div>  
</template>  
  
<script>  
import ChildComponent from './ChildComponent.vue';  
  
export default {  
  components: {  
    ChildComponent  
  }  
};  
</script>

// ParentComponent.vue  
<template>  
  <div>  
    <child-component:message="parentMessage"></child-component>  
  </div>  
</template>  
  
<script>  
import ChildComponent from './ChildComponent.vue';  
  
export default {  
  components: {  
    ChildComponent  
  },  
  data() {  
    return {  
      parentMessage: 'Hello from parent!'  
    };  
  }  
};  
</script>  
  
// ChildComponent.vue  
<template>  
  <div>  
    <h2>{{ message }}</h2>  
  </div>  
</template>  
  
<script>  
export default {  
  props: ['message']  
};  
</script>

// ChildComponent.vue  
<template>  
  <div>  
    <button @click="increment">Increment</button>  
  </div>  
</template>  
  
<script>  
export default {  
  methods: {  
    increment() {  
      this.$emit('increment-event');  
    }  
  }  
};  
</script>  
  
// ParentComponent.vue  
<template>  
  <div>  
    <child-component @increment-event="handleIncrement"></child-component>  
    <p>Count: {{ count }}</p>  
  </div>  
</template>  
  
<script>  
import ChildComponent from './ChildComponent.vue';  
  
export default {  
  components: {  
    ChildComponent  
  },  
  data() {  
    return {  
      count: 0  
    };  
  },  
  methods: {  
    handleIncrement() {  
      this.count++;  
    }  
  }  
};  
</script>