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class-binding-2.html
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class-binding-2.html
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<!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">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
<title></title>
</head>
<body>
<div id="app">
<!-- ternary operator -->
<!-- <nav class="navbar navbar-expand-lg"
:class="navBarToggle ? 'navbar-dark bg-dark' : 'navbar-light bg-light'"
> -->
<nav class="navbar navbar-expand-lg"
:class="[`navbar-${theme}`,`bg-${theme}`]"
>
<div class="container-fluid">
<a class="navbar-brand" href="#">{{ main }}</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav me-auto mb-2 mb-lg-0">
<li class="nav-item" v-for="(page,index) in pages">
<a class="nav-link"
:class="{'active':activePage==index}"
aria-current="page"
:href="page.link.url"
:title="`This links goes to the ${page.link.Text} page`"
:key="index"
@click.prevent="activePage=index">{{ page.link.Text }}</a>
</li>
</ul>
<form action="" class="d-flex">
<button @click.prevent="changeTheme()" class="btn btn-primary">Navbar Toggle</button>
</form>
</div>
</div>
</nav>
<div class="row">
<h3>{{ pages[activePage].pageTitle }}</h3>
<p>{{ pages[activePage].content }}</p>
</div>
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
<script>
Vue.createApp({
data(){
return{
pageTitle:"Binding data to attributes",
main:'Navbar',
activePage:0,
theme:'dark',
pages:[
{
link:{Text:'Home',url:'index.html'},
pageTitle:"Home Page",
content:"This is the Home Conetnt"
},
{
link:{Text:'About Us',url:'about-us.html'},
pageTitle:"About Us Page",
content:"This is the About Conetnt"
},
{
link:{Text:'Contact Us',url:'contact-us.html'},
pageTitle:"Contact Us Page",
content:"This is the Contact Conetnt"
},
]
}
},
methods:{
changeTheme(){
let theme='light';
if(this.theme=='light'){
theme='dark';
}
this.theme=theme;
}
}
}).mount("#app");
</script>
</html>