testing for field disabled = true or false

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June 25th, 2003, 09:01 AM

Taelo

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testing for field disabled = true or false

I tryed to make a snippet that would allow to me to set a text field to disabled if a checkbox was clicked,...and re-enable it if the same checkbox was clicked again. am I on the right track here?

Code:

<script type="text/javascript" language="javascript">
<!--
	function checkFieldStatus( theForm, theElement )
	{
		if( theForm.theElement.disabled = true )
		{
			setFieldEnabled( theForm, theElement );
		}
		
		if( theForm.theElement.disabled = false )
		{
			setFieldDisabled( theForm, theElement );
		}
	}
	
	function setFieldDisabled( theForm, theElement )
	{
		theForm.theElement.disabled = true;
		theForm.theElement.onfocus = theForm.theElement.blur;
	}
	
	function setFieldEnabled( theForm, theElement )
	{
		theForm.theElement.disabled = false;
		theForm.theElement.onfocus = null;
	}

// -->
</script>

Code:

onclick="checkFieldStatus( document.myForm, the_field_to_check )"

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July 7th, 2003, 06:27 AM

laidbak

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This being a lot simpler might just help you out:

PHP Code:


		
			
<html>

<head>

<title>Test</title>

<script type="text/javascript" language="javascript">

<!--

    function checkFieldStatus( theElement, status )

    {

    theElement.disabled = status;

    }



// -->

</script>

</head>

<body>

<form name="testform" method="post" action="">

    <input type="textbox" name="mytext">

    <input type="checkbox" name="mycheck" onclick="checkFieldStatus(document.forms.testform.mytext, this.checked);">

</form>

</body>

</html>

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July 7th, 2003, 08:53 AM

Taelo

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Location: PC, FL

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very very nice..... me likes

July 7th, 2003, 12:55 PM

dhouston

Contributing User

Dev Articles Beginner (1000 - 1499 posts)

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Nice indeed.

Also, in case this was a mistake and not a typo, the conditions in your if statements used assignment operators rather than logical operators. I think this probably always evaluates to true (unless you have something like division by 0 on the right side of the operator). Make sure you use == rather than = if you're testing a condition.

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