console 命令行工具 X clear
console
<!DOCTYPE html>
<html lang="en">

<head>
    <title>component-4 标签</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <script type="text/javascript" src="../assets/js/vue.js"></script>
</head>

<body>
    <h1>component-4 标签</h1>
    <hr>
    <div id="app">
        <component :is="who"></component>
        <button @click="changeComponent">changeComponent</button>
    </div>

    <script type="text/javascript">
        var componentA = {
            template: `<div style="color:red">I'm componentA.</div>`
        }

        var componentB = {
            template: `<div style="color:green">I'm componentB.</div>`
        }

        var componentC = {
            template: `<div style="color:pink">I'm componentC.</div>`
        }
        var app = new Vue({
            el: '#app',
            data: {
                who: "componentA"
            },
            components: {
                "componentA": componentA,
                "componentB": componentB,
                "componentC": componentC,
            },
            methods: {
                changeComponent: function () {
                    if (this.who == "componentA")
                        this.who = "componentB";
                    else if (this.who == "componentB")
                        this.who = "componentC";
                    else
                        this.who = "componentA";
                }
            },
        })
    </script>
</body>

</html>
本项目引用的自定义外部资源

vue.js