代碼包含如下：
1 創建懸停按鈕
<img src="../image/1.jpg" onmouseover="document.images[0].src='../image/2.jpg'"
onmouseout="document.images[0].src='../image/1.jpg'" />
2 設置焦點
<input type="text" name="txt1" value="hello" onfocus="document.form1.txt1.value='獲得該文本焦點'"
onblur="document.form1.txt1.value='失去該文本焦點'" />
3 click事件：單擊or 雙擊
<input type="button" name="button2" value="雙擊or單擊"
onclick="document.form1.button2.value='單擊'" ondblclick="document.form1.button2.value='雙擊'" />
4 下拉框<select></select>
5 創建網頁加載和卸載信息
onload onunload
具體代碼如下
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="js4.aspx.cs" Inherits="Javascript_js4" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
<script>
function ee(event)
{
if(event.keyCode==38)
document.write("You Press UP");
}
</script>
</head>
<body οnlοad="document.form1.txtLoad.value='頁面加載完畢'" οnunlοad="alert('goodbye')">
<form id="form1" runat="server">
<div>
<input type="button" name="button1" value="檢查鼠標單擊" οnclick="document.form1.button1.value='change'" />
<input type="button" name="button2" value="雙擊or單擊" οnclick="document.form1.button2.value='單擊'" οndblclick="document.form1.button2.value='雙擊'" />
<%--創建懸停按鈕--%>
<br />
<img src="../image/1.jpg" οnmοuseοver="document.images[0].src='../image/2.jpg'" οnmοuseοut="document.images[0].src='../image/1.jpg'" />
<%--設置焦點--%>
<input type="text" name="txt1" value="hello" οnfοcus="document.form1.txt1.value='獲得該文本焦點'" οnblur="document.form1.txt1.value='失去該文本焦點'" />
<%--下拉框--%>
<select name="s1" size="4" οnchange="document.form1.txt2.value=document.form1.s1.value">
<option value="北京" selected="selected">北京</option>
<option value="上海">上海</option>
<option value="臺灣">臺灣</option>
<option value="廣州">廣州</option>
<option value="成都">成都</option>
</select>
<input type="text" name="txt2" value="City" />
<input name="txtLoad" type="text" value="waiting...." />
</div>
</form>
</body>
</html>