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该脚本运行以后将弹出一个提示窗口。 脚本： <script language="JavaScript"> alert ("Warning！我是JavaScript初学者！"); </script> 另外我本人编写了一个程序可以自动生成本节中在线试题的源代码，下载页面在“技术支持”一栏中。 8.1.2 改变背景颜色<script language="JavaScript"> var
MyColor; MyColor=prompt("您最喜欢的颜色是:",""); switch(MyColor)
{ case
"红色": document.bgColor="red"; break; case
"黄色": document.bgColor="yellow"; break; case
"灰色": document.bgColor="gray"; break; default: alert("我不认识这些颜色!"); } </script>
<script language="LiveScript"> today = new
Date() document.write("现在时间是：
",today.getHours(),":",today.getMinutes()) document.write("<br>今天日期为：
", today.getMonth()+1,"/",today.getDate() ,"/",today.getYear()); </script>
<script
language="JavaScript"> window.open("time.htm", "日期"); </script>
<html> <head> <script language="LiveScript"> function WinOpen() { window.open("time.htm", "日期"); } </script> </head> <body> <form> <input type="button" name="Button1"
value="看看时间" onclick="WinOpen()"> </form> </body> </html>
<html> <head> <script
language="JavaScript"> function
cal(theForm) { var score=0; if
(theForm.R1.value =="c") score++; if
(theForm.R2.value =="b") score++; if
(theForm.R3.value =="a") score++; if
(theForm.R4.value =="b") score++; if
(theForm.R5.value =="c") score++; alert ("你的得分是:"+score*20+"分"); } </script> </head> <body> <center> <h1>英语形成性练习题</h1> </center> <form
name="myForm"> <p><b>单向选择题，每题20分，共100分</b></p> You have to ___
your younger brother since mother is not at home. <br> <input
type="radio" name="R1" value="V1" onClick="document.myForm.R1.value='a'">
take care <br> <input
type="radio" name="R1" value="V2" onClick="document.myForm.R1.value='b'">
take after <br> <input
type="radio" name="R1" value="V3" onClick="document.myForm.R1.value='c'">
look after <br> You have to ___
the registration form in order to use that website. <br> <input
type="radio" name="R2" value="V1" onClick="document.myForm.R2.value='a'">
carry on <br> <input
type="radio" name="R2" value="V2" onClick="document.myForm.R2.value='b'">
fill in <br> <input
type="radio" name="R2" value="V3" onClick="document.myForm.R2.value='c'">
keep up <br> David, please ___
these books ___ to the libarary. <br> <input
type="radio" name="R3" value="V1" onClick="document.myForm.R3.value='a'">
take / back <br> <input
type="radio" name="R3" value="V2" onClick="document.myForm.R3.value='b'">
take / off <br> <input
type="radio" name="R3" value="V3" onClick="document.myForm.R3.value='c'">
take / out <br> If it rains, they
will have to ___ the picnic. <br> <input
type="radio" name="R4" value="V1" onClick="document.myForm.R4.value='a'">
go through <br> <input
type="radio" name="R4" value="V2" onClick="document.myForm.R4.value='b'">
put off <br> <input
type="radio" name="R4" value="V3" onClick="document.myForm.R4.value='c'">
set off <br> I like ___ the
radio. <br> <input
type="radio" name="R5" value="V1" onClick="document.myForm.R5.value='a'">
listening at <br> <input
type="radio" name="R5" value="V2" onClick="document.myForm.R5.value='b'">
listening for <br> <input
type="radio" name="R5" value="V3" onClick="document.myForm.R5.value='c'">
listening to <br> <p><input
type="button" value="完成" name="B1" onclick="cal(myForm)"></p> </form> </body> </html>
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