Answers for "vuejs event"

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>

vuejs v-on

<div v-on:javascriptEvent = "method"></div>

<!-- v-on:click <=> @click -->

event vueks

<div id="example-3">
  <button v-on:click="say('salut')">Dire salut</button>
  <button v-on:click="say('quoi')">Dire quoi</button>
</div>

event vueks

new Vue({
  el: '#example-3',
  methods: {
    say: function (message) {
      alert(message)
    }
  }
})