ife-js-task/task31.html at master · glt18/ife-js-task · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
<!DOCTYPE html>
<html>
<head>
	<title>Task 31</title>
	<meta charset="utf-8">
	<style type="text/css">
		#container_1 {
			display: none;
		}
		#container_2 {
			display: none;
		}
	</style>
</head>
<body>
	<input type="radio" name="identify" onfocus="student()">在校生
	<input type="radio" name="identify" onfocus="nonStudent()" onblur="non_hidden()">非在校生
	<div id="container_1">
		<span>学校</span>
		<select onchange="city(this.value);">
			<option value="1">北京</option>
			<option value="2">上海</option>
			<option value="3">西安</option>
		</select>
		<select>
			<option>北京大学</option>
			<option>清华大学</option>
			<option>中国人民大学</option>
		</select>
	</div>
	<div id="container_2">
		<span>就业单位</span>
		<input type="text">
	</div>
	<script type="text/javascript">
		//在校生时显示
		function student() {
			var container_1 = document.getElementById('container_1');      //显示学校的容器
			container_1.style.display = "block";
		}
		//在校生的地区选择
		function city(val) {
			var container_1 = document.getElementById('container_1');      //显示学校的容器
			var city = document.getElementsByTagName('option');        //城市
			var college = document.getElementsByTagName('option');     //大学名称
			if (val == 2) {
				college[3].innerHTML = "复旦大学";
				college[4].innerHTML = "上海交通大学";
				college[5].innerHTML = "上海财经大学";
			}
			if (val == 3) {
				college[3].innerHTML = "西安交通大学";
				college[4].innerHTML = "西北工业大学";
				college[5].innerHTML = "西安邮电大学";
			}
		}
		//选中非在校生时显示
		function nonStudent() {
			studet_hidden();
			var container_2 = document.getElementById('container_2');
			container_2.style.display = "block";
		}
		function studet_hidden() {
			var container_1 = document.getElementById('container_1');
			container_1.style.display = "none";
		}
		function non_hidden() {
			var container_2 = document.getElementById('container_2');
			container_2.style.display = "none";
		}
	</script>
</body>
</html>