prop vue code example

Example 1: vue js default prop

props: {
  name: {
    type: String,
    default: 'John Doe'
  }
}

Example 2: vuejs props

// Component file
<script>
  export default {
    props: {
      name: {
        type: String,
        required: true
      }
    }
  };
</script>

// File you call your component
<template>
  <your-component name="name"></your-component>
</template>

Example 3: vue prop string or number

props: {
        users_count: {
            type: [Number, String],
            required: true
        }
    },

Example 4: how to access both child event param and parent param in vue

<template>
    <ul>
        <product v-for="product in products"
                 :product="product"
                 @add="addToChart" />
    </ul>
</template>

<script>
const Product = {
    props: ["product"],
    render(h) {
        return h("li", { on: { click: this.click } }, this.product);
    },
    methods: {
        click() {
            this.$emit("add", { product: this.product, quantity: 42 });
        }
    }
};

export default {
    data() {
        return {
            products: ["Foo", "Bar"]
        };
    },
    components: {
        Product
    },
    methods: {
        addToChart({ product, quantity }) {
            console.log(product, quantity);
        }
    }
}
</script>

Example 5: vue js props

Vue.component('blog-post', {
  // camelCase in JavaScript
  props: ['postTitle'],
  template: '<h3>{{ postTitle }}</h3>'
})

<!-- kebab-case in HTML -->
<blog-post post-title="hello!"></blog-post>

Example 6: vuejs props

export default {
  name: 'Camera',
  props: ['name', 'img'],
}