javascript小记5 2011/10/05
<!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>