1.手机验证

1.引入vue

<script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>

2.

 <div id="app">
        手机号：<input type="text" v-model="keyword"><br>
        <p>{{msg}}</p>
        邮箱: <input type="text" v-model="email"><br>
        <button @click="handleClick">注册</button>
    </div>
    <script>
        var vm=new Vue({
            el:"#app",
            data:{
                keyword:"",
                email:"",
                msg:""
            },
            methods: {
                handleClick(){
                    /* 
                      /^1[3-9]\d{9}$
                    */
                   var reg=/^1[3-9]\d{9}$/;
                   var emailReg=/^[0-9a-z+@[0-9a-z]+\.com$/
                   if(!reg.test(this.keyword)){
                     this.msg="手机号码不正确"
                   }else{
                     this.msg=""
                   }
                   if(!emailReg.test(this.email)){
                       alert("邮箱不正确")
                   }
                }
            },
        })
    </script>