(1).v-bind指令:
需求:動態獲取屬性值時,可以使用v-bind指令
標準寫法:<元素 v-bind:屬性名=“js表達式”>
簡寫:<元素 :屬性名=“js表達式”>
例子:
<!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://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<style>
#app > div {
width: 50px;
height: 50px;
background-color: blue;
cursor: pointer;
}
</style>
</head>
<body>
<div id="app">
<div :title="tl>10?'我':'你'"></div>
</div>
<script>
new Vue({
el: "#app",
data: {
tl: "22",
},
});
</script>
</body>
</html>
效果圖