lovecoding
/
Web1020


			
				
					
						
						
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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>
    <script src="./js/vue.js"></script>
</head>
<body>
    <div id="app">
        <h1 v-show="num>0">显示内容</h1>
    </div>
    <script>
        let app = new Vue({
            el:"#app",
            data:{
                isShow:false,
                num:-1
            }
        })
    </script>
</body>
</html>