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textarea to open in select choices

Posted on 2010-09-06
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Medium Priority
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Last Modified: 2012-06-22
this code opens a textarea if user selects tue

I want the textarea to open if user selects tue or wed
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script language="javascript">
  function chgDisplayTextarea(value, textarea, switchValue) {
    document.getElementById(textarea).style.display = (value.indexOf(switchValue)==0)?"block":"none";
  }
</script>
</head>
<body>
<form method="post" action="pb-dropck.php">
    <select name=t1 onchange="chgDisplayTextarea(this.value, 'textareaID', 'Tue')">
        <option value=Mon $Mon>Mon</option>
        <option value=Tue $Tue>Tue</option>
        <option value=Wed $Wed>Wed</option>
        <option value=Thu $Thu>Thu</option>
        <option value=Fri $Fri>Fri</option>
        <option value=Sat $Sat>Sat</option>
        <option value=Sun $Sun>Sun</option>
    </select>
    <input type=submit value=Submit>
    <textarea id="textareaID" cols="20" rows="20" style="display:none"></textarea>
</form>
</body>
</html>

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Question by:rgb192
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8 Comments
 
LVL 22

Expert Comment

by:Om Prakash
ID: 33612790
Try
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script language="javascript">
  function chgDisplayTextarea(value, textarea, switchValue) {
    var word = switchValue.split(",")
    for(i=0; i < word.length ; i++)
    {
    if(value == word[i])
    {
		document.getElementById(textarea).style.display = "block";
		exit;
		}
	else
		document.getElementById(textarea).style.display = "none";

    }
  }
</script>
</head>
<body>
<form method="post" action="pb-dropck.php">
    <select name=t1 onchange="chgDisplayTextarea(this.value, 'textareaID', 'Tue,Wed')">
        <option value=Mon $Mon>Mon</option>
        <option value=Tue $Tue>Tue</option>
        <option value=Wed $Wed>Wed</option>
        <option value=Thu $Thu>Thu</option>
        <option value=Fri $Fri>Fri</option>
        <option value=Sat $Sat>Sat</option>
        <option value=Sun $Sun>Sun</option>
    </select>
    <input type=submit value=Submit>
    <textarea id="textareaID" cols="20" rows="20" style="display:none"></textarea>
</form>
</body>
</html>

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0
 
LVL 5

Accepted Solution

by:
ploftin earned 1000 total points
ID: 33612831
Use this.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script language="javascript">
  function chgDisplayTextarea(value, textarea) {
	switch(value) {
      case "Tue":
        document.getElementById(textarea).style.display = "block";
        break;
      case "Wed":
        document.getElementById(textarea).style.display = "block";
        break;
      default:
        document.getElementById(textarea).style.display = "none";
    }
  }
</script>
</head>
<body>
<form method="post" action="pb-dropck.php">
    <select name=t1 onchange="chgDisplayTextarea(this.value, 'textareaID')">
        <option value=Mon $Mon>Mon</option>
        <option value=Tue $Tue>Tue</option>
        <option value=Wed $Wed>Wed</option>
        <option value=Thu $Thu>Thu</option>
        <option value=Fri $Fri>Fri</option>
        <option value=Sat $Sat>Sat</option>
        <option value=Sun $Sun>Sun</option>
    </select>
    <input type=submit value=Submit>
    <textarea id="textareaID" cols="20" rows="20" style="display:none"></textarea>
</form>
</body>
</html>

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0
 
LVL 75

Expert Comment

by:Michel Plungjan
ID: 33612838
onchange="document.getElementById('textareaID').style.display=this.selectedIndex<2?'none':'block'"
0
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Author Comment

by:rgb192
ID: 33613012
om_prakash_p
works
but I get javascript error
'exit' is undefined
0
 
LVL 5

Expert Comment

by:ploftin
ID: 33614363
Try mine. It works, and no JavaScript errors.
0
 
LVL 22

Assisted Solution

by:Om Prakash
Om Prakash earned 1000 total points
ID: 33614736
Use break instead of exit.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script language="javascript">
  function chgDisplayTextarea(value, textarea, switchValue) {
    var word = switchValue.split(",")
    for(i=0; i < word.length ; i++)
    {
    if(value == word[i])
    {
		document.getElementById(textarea).style.display = "block";
		break;
		}
	else
		document.getElementById(textarea).style.display = "none";

    }
  }
</script>
</head>
<body>
<form method="post" action="pb-dropck.php">
    <select name=t1 onchange="chgDisplayTextarea(this.value, 'textareaID', 'Tue,Wed')">
        <option value=Mon $Mon>Mon</option>
        <option value=Tue $Tue>Tue</option>
        <option value=Wed $Wed>Wed</option>
        <option value=Thu $Thu>Thu</option>
        <option value=Fri $Fri>Fri</option>
        <option value=Sat $Sat>Sat</option>
        <option value=Sun $Sun>Sun</option>
    </select>
    <input type=submit value=Submit>
    <textarea id="textareaID" cols="20" rows="20" style="display:none"></textarea>
</form>
</body>
</html>

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0
 

Author Closing Comment

by:rgb192
ID: 33657622
thanks
0
 
LVL 5

Expert Comment

by:ploftin
ID: 33658511
My pleasure. Thanks for the points.
0

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What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

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