求前端大佬们帮我看看这里为什么报错 - V2EX
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jlak

求前端大佬们帮我看看这里为什么报错

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  •   jlak 2023 年 4 月 19 日 754 次点击
    这是一个创建于 1101 天前的主题,其中的信息可能已经有所发展或是发生改变。

    在初学 vue ,代码也是抄来的,ide 用 vsc 和 codespaces 22 行( persons:[ )的冒号报错我实在看不懂 ide 提示 ';' expected.Javascript any 但是;加哪里完全看不出来

    <html> <head> <meta charset="utf-8"> <title>Vue 学习</title> <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script> </head> <body> <div id="app"> <input type="text" placeholder="输入" v-model="keyWord"> <ul> <li v-for="(p,index) of filPersons" :key="index"> {{p.name}}-{{p.age}}-{{p.sex}} </li> </ul> </div> <script> const app = { data() { keyWord:'', persons:[ {id:'001',name:"马冬梅",age:19,sex:'女' }, {id:'002',name:"周冬雨",age:20,sex:'女' }, {id:'003',name:"周杰伦",age:21,sex:'男' }, {id:'004',name:"温兆伦",age:22,sex:'男' } ] }, computed: { filPersons(){ return this.persons.filter((p)=>{ return p.name.indexOf(this.keyWord) !== -1 }) } } } Vue.createApp(app).mount('#app') </script> </body> </html> 
    zcf0508
        1
    zcf0508  
       2023 年 4 月 19 日 via Android
    data 是一个函数,应该返回一个对象,你现在这不符合语法
    jlak
        2
    jlak  
    OP
       2023 年 4 月 19 日
    @zcf0508 感谢,一针见血,原来不是 22 行有问题,是我把 vue3 和 vue2 搞混了
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