How to get the value of a certain dom element in vue.js

Vue.js method of obtaining the value of a certain dom element: 1. In the [vue.js1.0] version, you can obtain the dom element through [v-el]; 2. In [Vue.js2.0] ] version uses the ref attribute to identify an element.

The operating environment of this tutorial: windows10 system, vue2.5.2, this article is applicable to all brands of computers.

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vue.js method of obtaining the value of a DOM element:

1, vue.js1.0 version

You can get the dom element through: v-el

For example:

html code :

<input type="text" name="xxx" id="xxx" v-el:sxx />
            <button @click="ok()">确定</button>

js code:

var vm = new Vue({
    el: '#app',
    methods: {
        ok() {
           var xx = this.$els.sxx.value;
           console.log(xx);
        }
    }
});

Result:

2, Vue.js2.0 version

Vue.js 2.0 uses ref to replace v-el and v-ref, and uses the ref attribute to identify an element. .

When we write it becomes

<input type="text" name="xxx" id="xxx" ref=&#39;sxx&#39; />
<button @click="ok()">确定</button>

It remains the same when called

var vm = new Vue({
    el: '#app',
    methods: {
        ok() {
           var xx = this.$refs.sxx.value;
           console.log(xx);
        }
    }
});

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