前端-vue基础18-样式绑定1_修饰符

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .active {
            width: 100px;
            height: 100px;
            border: 1px solid red;
        }
        
        .error {
            background-color: orange;
        }
    </style>
</head>
 
<body>
    <div id="app">
        <div v-bind:class="{active:isActive,error:isError}">
            我是歌谣
        </div>
        <button v-on:click="handle">切换</button>
    </div>
    <script type="text/javascript" src="./js/vue.js"></script>
    <script>
        /* 样式绑定 */
        var vm = new Vue({
            //绑定的标签
            el: '#app',
            //自定义按键修饰符
            data: {
                isActive: true,
                isError: true
            },
            methods: {
                handle: function() {
                    //控制isactive奇幻
                    this.isActive = !this.isActive;
                    this.isError = !this.isError;
                }
            }
        });
    </script>
</body>
 
</html>

前端-vue基础18-样式绑定1_修饰符_02