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Vue 3 循环语句
v-for 指令
<!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>
</head>
<body>
<div id="app">
<ul>
<li v-for="(v, k) in sites">
{{ k}} - {{ v.name }}
</li>
</ul>
</div>
</body>
<script>
const app = {
data(){
return {
sites:[
{name: "菜单1"},
{name: "菜单2"},
{name: "菜单3"}
]
}
}
}
Vue.createApp(app).mount("#app");
</script>
</html>
v-for 迭代整数
<!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>
</head>
<body>
<div id="app">
<ul>
<li v-for="n in 10">
{{ n}}
</li>
</ul>
</div>
</body>
<script>
const app = {
data(){
return {
}
}
}
Vue.createApp(app).mount("#app");
</script>
</html>
显示过滤/排序后的结果
<!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>
</head>
<body>
<div id="app">
<ul>
<li v-for="n in evenNumbers">{{n}}</li>
</ul>
</div>
</body>
<script>
const app = {
data(){
return {
numbers: [1,2,3,4,5]
}
},
computed:{
evenNumbers(){
return this.numbers.filter(number => number % 2 == 0);
}
}
}
Vue.createApp(app).mount("#app");
</script>
</html>
凡所有相,皆是虚妄。
