源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Vue 测试实例 - 开源教程(ossoft.cn)</title> <script src="https://unpkg.com/vue@next"></script> </head> <body> <div id = "app"></div> <script type = "text/javascript"> const app = Vue.createApp({ myOption: 'hello!' }) // 为自定义的选项 'myOption' 注入一个处理器。 app.mixin({ created() { const myOption = this.$options.myOption if (myOption) { document.write(myOption) } } }) app.mount('#app') // => "hello!" </script> </body> </html>
运行结果