请问为什么显示的是从红到绿但是最后动画执行完毕文字又编程黑色了

来源：2-3 使用 transition 标签实现单元素组件的过渡和动画效果（2）

weixin_慕村1291783

2020-12-25 22:38:50

# 具体遇到的问题

# 报错信息的截图

# 相关课程内容截图

# 尝试过的解决思路和结果

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

<!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="https://unpkg.com/vue@next"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css" />
    <style>
        @keyframes leftMove {
            0% {
                transform: translateX(-100px);
            }
            50% {
                transform: translateX(50px);
            }
            100% {
                transform: translateX(0px);
            }
        }
        /* .donghua {
            animation: leftMove 3s;
        } */
        /* .guodu {
            transition: background-color 3s ease;
        }

        .blue {
            background-color: skyblue;
        }

        .pink {
            background-color: pink;
        } */

        .v-enter-from {
            color: red;
        }

        .v-enter-active {
            animation: leftMove 3s;
            transition: color 3s;
        }

        .v-enter-to {
            color: green;
        }
        /* .v-leave-from {
            opacity: 1;
        } */

        .v-leave-active {
            animation: leftMove 3s;
            transition: color 4s;
        }

        .v-leave-to {
            color: red;
        }
    </style>
</head>

<body>
    <div id="root"></div>
</body>
<script>
    const app = Vue.createApp({
        data() {
            return {
                show: false
            }
        },
        methods: {
            handleChange() {
                this.show = !this.show;
            }
        },
        template: `
        <transition>
            <div v-if="show">hello world</div>
        </transition>
        <button @click="handleChange">切换</button>
        `

    })
    const vm = app.mount('#root')
</script>

</html>