我的代码有问题:
<v-card class="d-flex flex-column">
<v-img id="image" src="w3schools.com/js/landscape.jpg" height="600"> <v-card-title class="headline">
Search for
<v-spacer></v-spacer>
<span class="caption font-italic font-weight-light">yes</span>
</v-card-title>
</v-img>
</v-card>
<script>
setTimeout(function() { document.getElementById("image").setAttribute("src", "w3schools.com/js/smiley.gif"); }, 5000); </script>
它没有改变图像。似乎是什么问题?
不建议您在操作DOM时尝试尝试创建一个名为url
的数据属性,并在所需的位置进行更改,例如,按如下所示在创建的挂钩中设置setTimeout
:
new Vue({
el: '#app',
vuetify: new Vuetify(),
data() {
return {
url: 'https://www.w3schools.com/js/landscape.jpg',
}
},
created(){
setTimeout(()=>{
this.url="https://www.w3schools.com/js/smiley.gif"},5000)
}
})
<link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/@mdi/[email protected]/css/materialdesignicons.min.css" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/vuetify.min.css" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui">
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vuetify.js"></script>
<div id="app">
<v-app>
<v-content>
<v-container>
<v-card class="d-flex flex-column"> <v-img id="image" :src="url" height="600"> <v-card-title class="headline"> Search for <v-spacer></v-spacer> <span class="caption font-italic font-weight-light">yes</span> </v-card-title> </v-img> </v-card>
</v-container>
</v-content>
</v-app>
</div>