📄 9.1.5 getday方法.html

📁 javascript即用即差核心对象手册

💻 HTML

字号:

<html>
<head></head>
<body onLoad="javascript:writeForm()">
<script>
   function writeForm()
   {
      with(document)
	  {
	     write("<form name='frm'>");
		 write("选择日期：");
		 write("<select name='year'>");
		 //输出可供选择的年份
		 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>

⌨️ 快捷键说明

复制代码 Ctrl + C

搜索代码 Ctrl + F

全屏模式 F11

切换主题 Ctrl + Shift + D

显示快捷键 ?

增大字号 Ctrl + =

减小字号 Ctrl + -