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step-2.html
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step-2.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Attribute Binding and Event Handling</title>
<script src="https://unpkg.com/vue@3"></script>
</head>
<style>
html , body {
height: 100%;
}
body{
display: grid;
place-items: center;
}
.color-red{
background-color: red;
}
.color-gray{
background-color: gray;
}
button{
width: 120px;
height: 60px;
border-radius: 8px;
font-size: 22px;
}
</style>
<body>
<div id="app">
<button :class="active ? 'color-red' : 'color-gray' " @click="toggle" > Click Me </button>
</div>
<script>
Vue.createApp({
data() {
return {
active : false
};
},
methods: {
toggle(){
this.active = ! this.active ;
}
}
}).mount('#app');
</script>
</body>
</html>