javascript 2.0(操作フォーム)

1973 ワード

JavaScript

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>js24.html</title>
	
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="this is my page">
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    
    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->


	<script type="text/javascript">
	
	function moveNext(object, index)
	{
		if(object.value.length == 4)
		{
			document.forms[0].elements[index + 1].focus();
		}
	}
	
	function showResult()
	{
		var f = document.forms[0];
		
		var result = "";
		
		for(var i = 0; i < 4; i++)
		{
			result += f.elements[i].value;
		}
		
		alert(result);
		
	}
	
	
	</script>


  </head>
  
  <body onload="document.forms[0].elements[0].focus();">
    
    <form>
    
    <input type="text" size="3" maxlength="4" onkeyup="moveNext(this, 0);">-
    <input type="text" size="3" maxlength="4" onkeyup="moveNext(this, 1);">-
    <input type="text" size="3" maxlength="4" onkeyup="moveNext(this, 2);">-
    <input type="text" size="3" maxlength="4" onkeyup="moveNext(this, 3);">
    
    <input type="button" value="  " onclick="showResult();" >

    </form>

  </body>
</html>

javascriptがポップアップしたウィンドウの戻り値は親ウィンドウに具体的に実現されます.