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dropdown3.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vue components</title>
</head>
<body>
<div id="app">
<register></register>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
let CountryDropdown = {
data() {
return {
country: ""
};
},
template: `
<select id="country" @change="change" ref="country">
<option value="">Please choose</option>
<option value="FR">France</option>
<option value="UK">United Kingdom</option>
<option value="US">United States</option>
</select>
`,
methods: {
change() {
console.log(this.$refs.country);
this.$emit("input", this.$refs.country.value);
}
}
};
let Register = {
components: {
CountryDropdown
},
data() {
return {
form: {
name: "",
country: ""
}
};
},
template: `
<form action="#">
<div class="form-group">
<label for="name">Name</label>
<input type="text" v-model="form.name" id="name">
</div>
<div class="form-group">
<label for="country">Country</label>
<country-dropdown v-model="form.country"></country-dropdown>
</div>
{{ form }}
</form>
`
};
let app = new Vue({
el: "#app",
components: {
Register
}
});
</script>
</body>
</html>