監聽下拉框，當前選中值
1、效果
2、代碼
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>監聽下拉框變化</title>
<style>
.select-class{
margin:30px;
display: flex;
justify-content: space-between;
align-items: center;
height: 32px;
border: 1px solid #D7DAE2;
border-radius: 5px;
cursor: pointer;
overflow: hidden;
box-shadow: 0 1px 10px rgba(0, 0, 0, .1);
cursor: pointer;
margin-right:10px;
float: left;
padding: 2px;
font: 14px Helvetica Neue,Helvetica,PingFang SC,Tahoma,Arial,sans-serif;
color: #4D4F5C;
}
</style>
<script src="js/jquery.min.js"></script>
</head>
<body>
<select class="select-class">
<option value="1">選項1</option>
<option value="2">選項2</option>
</select>
</body>
<script src="http://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script>
//監聽下拉框變化
$('select.select-class').change(() => {
let seeType = $('select.select-class').val();
alert(seeType);
});
</script>
</html>