lovecoding
/
VIP32


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <p id="vase">{{msg}}</p>
        <button @click="getMain">修改</button>
        <!-- 
            数据未及时更新
            this.$nextTick([callback,content])
            修改渲染后数据未更新的问题  常用于created生命周期中
         -->
    </div>
    <script src="../vue初阶/vue.js"></script>
    <script>
        var app = new Vue({
            el:"#app",
            data:{
                msg:"这是一条信息"
            },
            methods: {
                getMain() {
                    this.msg = '哈哈哈哈';
                    this.$nextTick(()=>{
                        console.log(document.getElementById("vase").innerHTML,'值1');
                    })
                    console.log(document.getElementById("vase").innerHTML,'值2');
                }
            },
        })
    </script>
</body>
</html>