<!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=edge">
<title>Document</title>
<script src="./js/vue.js"></script>
</head>
<body>
<div id="app">
<div :style="[styleObj, {fontSize:'20px'}]" @click="changeStyle">
點擊變色
</div>
</div>
<script>
var vm = new Vue({
el: '#app',
data: {
styleObj:{
color: 'black',
fontWeight: 'bold'
}
},
methods:{
changeStyle:function(){
this.styleObj.color= this.styleObj.color === 'black'? 'red':'black';
}
}
})
</script>
</body>
</html>
