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javascript小记5 2011/10/05

2011-10-05 21:24 162 查看

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>getDate方法演示</title>

</head>

<body onLoad="javaSript:writeForm()">

<script type="text/javascript">

function writeForm()

{

//alert("abc");

with(document)

{

write("<form name='frm'>");

write("选择日期:");

//输出可供选择的年份

write("<select name='year'>");

for(var i=1990;i<=2010;i++)

{

write("<option value='"+i+"'>");

write(i);

write("</option>");

}

write("</select>");

//输出12个月份

write("<select name='month'>");

for(var i=1;i<=12;i++)

{

write("<option value='"+(i-1)+"'>");

write(i);

write("</option>");

}

write("</select>");

//输出可供选择的日期

write("<select name='date'>");

for(var i=1;i<=31;i++)

{

write("<option value='"+i+"'>");

write(i);

write("</option>");

}

write("</select>");

//输出一个按钮

write("<input type='button' name='btn' value='看看星期几' onclick='javaScript:getWeekDay()'>");

write("</form>");

writeCode();

}

}

//输出处理表单数据的代码

function writeCode()

{

with(document)

{

write("<script>");

write("function getWeekDay()");

write("{var year=document.forms[0].year.value;");

write("var month=document.forms[0].month.value;");

write("var date=document.forms[0].date.value;");

write("var objdate=new Date(year,month,date);");

write("document.forms[0].btn.value='今天是:星期'+(objdate.getDay());}");

write("</scr"+"ipt>");

}

}

</script>

</body>

</html>

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