<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edfe">
<script src="https://unpkg.com/vue@3.3.4/dist/vue.global.js"></script>
<title>v-bind</title>
<style>
.active{
border: 1px solid red;
}
</style>
</head>
<body>
<div id="app">
<img v-bind:src="imgSrc" v-bind:title="imgTitle" alt="">
<img :src="imgSrc" :class="isActive?'active':''" alt="">
<img :src="imgSrc" :class="{active:!isActive}" alt="">
</div>
<script type="text/javascript">
const App = {
data() {
return {
imgSrc: "https://www.baidu.com/img/PCfb_5bf082d29588c07f842ccde3f97243ea.png",
imgTitle: "百度一下下",
isActive: true,
}
}
}
Vue.createApp(App).mount("#app")
</script>
</body>
</html>