javascript - How can I bind the html <title> content in vuejs?

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javascript - How can I bind the html <title> content in vuejs?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

I'm trying a demo on vuejs. Now I want the html title to bind a vm field.

The below is what I tried:

index.html

<!DOCTYPE html>
<html id="html">
<head>
    <title>{{ hello }}</title>
    <script src="lib/requirejs/require.min.js" data-main="app"></script>
</head>
<body>
{{ hello }}
<input v-model="hello" title="hello" />
</body>
</html>

app.js

define([
    'jquery', 'vue'
], function ($, Vue) {
    var vm = new Vue({
        el: 'html',
        data: {
            hello: 'Hello world'
        }
    });
});

But the title seemed not bounded, how to make it work?

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1 Answer

深蓝 · Answer 1 · 2021-10-17T00:05:52+0000

There are essentially two ways to solve it.

Use an existing Package

For example, vue-meta:

<template>
  <div id="app">
    <router-view></router-view>
  </div>
</template>

<script>
  export default {
    name: 'App',
    metaInfo: {
      // if no subcomponents specify a metaInfo.title, this title will be used
      title: 'Default Title',
      // all titles will be injected into this template
      titleTemplate: '%s | My Awesome Webapp'
    }
  }
</script>

Create your own Component

Create a vue file containing:

<script>
    export default {
        name: 'vue-title',
        props: ['title'],
        watch: {
            title: {
                immediate: true,
                handler() {
                    document.title = this.title;
                }
            }
        },
        render () {
        },
    }
</script>

Register the component using

import titleComponent from './title.component.vue';
Vue.component('vue-title', titleComponent);

Then you can use it in your templates, e.g.

<vue-title title="Static Title"></vue-title>
<vue-title :title="dynamic.something + ' - Static'"></vue-title>

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javascript - How can I bind the html <title> content in vuejs?

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1 Answer

Use an existing Package

Create your own Component

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