Filter - Global filters

<div id="app">
    <p>{{message}}</p>
    <p>{{message|upper}}</p>
</div>

<script>
    was vm = new Vue ({
        el:"#app",
        data:{
            message:"hello world",
        },
    })

　　

Global Filters can be placed in a file filter.js, and then the introduction of call on ok.

<script src="js/filter.js"></script>

// Global Filters
Vue.filter("upper",function (data){
        return data.toUpperCase();
    });Vue.filter("upper",function (data){
        return data.toUpperCase();
    });