vue实现字符串逆序vue实现字符串逆序，字符串.split("").reverse().join("")。v-on指令

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="revnum">
        <!-- rev可以加括号，也可以不加，加括号是为了传参 -->
        <!-- 点击“hello”实现逆序 -->
        <h1 v-on:click="rev()">{{word}}</h1>
        <!-- <h1>{{word}}转为{{word.split("").reverse().join("")}}</h1> -->
    </div>
    <script src="./vue2.6.14.js"></script>
    <script>
        let vm = new Vue({
            el: "#revnum",
            data: {
                word: "hello",
            },
            methods: {
                rev() {
                    this.word = this.word.split("").reverse().join("");
                }
            }
        })
    </script>
</body>

</html>