1.按时间显示问候语
2.强制光标停留位置
3.保存页面文本
1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
2 <html><head>
3 <title>JS常用方法</title>
4 <meta name="Generator" content="EditPlus">
5 <meta name="Author" content="">
6 <meta name="Keywords" content="">
7 <meta name="Description" content="">
8 <script language="JavaScript">
9
10 <!-- 另存为文件-->
11 function SaveCode(obj, filename)
12 {
13 var win = window.open(‘‘, ‘_blank‘, ‘top=100‘);
14 var code = obj.innerText;
15 code = code == null || code == "" ? obj.value : code;
16 win.opener = null;
17 win.document.write(code);
18 win.document.execCommand(‘saveas‘, true, filename);
19 win.close();
20 }
21 <!-- 问候-->
22 window.onload = function()
23 {
24 var now = new Date();
25 var hour = now.getHours();
26 var greeting;
27 if (hour < 6)
28 greeting = "凌晨好";
29 else if (hour < 10)
30 greeting = "早上好";
31 else if (hour < 14)
32 greeting = "中午好";
33 else if (hour < 18)
34 greeting = "下午好";
35 else
36 greeting = "晚上好";
37
38 document.getElementById("hi").innerHTML = "<font color=red>" + greeting + "</font>" ;
39 }
40 <!-- 将光标停在对象的最后-->
41 function PutCursorAtLast(obj)
42 {
43 obj.focus();
44 var range = obj.createTextRange();
45 range.moveStart(‘character‘,obj.value.length);
46 range.collapse(true);
47 range.select();
48 }
49 <!-- 将光标停在对象的最前-->
50 function PutCursorAtFirst(obj)
51 {
52 obj.focus();
53 var range = obj.createTextRange();
54 range.moveStart(‘character‘,0);
55 range.collapse(true);
56 range.select();
57 }
58 </script>
59 </head>
60 <body>
61
62 <span id="hi"></span><br />
63
64 <span>curssor at last </span><br />
65 <input type="text" value="curssor at last" onclick="PutCursorAtLast(this)">
66 <br />
67
68 <span>curssor at first </span><br />
69 <input type="text" value="curssor at first" onclick="PutCursorAtFirst(this)">
70 <br />
71
72 <span>save file </span><br />
73 <input type="text" value="hello word" onclick=‘SaveCode(this,"save")‘ /><br/>
74
75 </body>
76 </html>
时间： 2024-12-25 19:19:01