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add/remove border from image when checkbox checked

Discussion in 'JavaScript' started by Shimurai, Aug 5, 2011.

  1. #1
    Hi guys,

    I'm trying to add / remove the border of an image when I check/uncheck a checkbox.

    here's my code:
    
    <html>
    <body>
    
    <script language="JavaScript" type="text/javascript">
        function chnageborder(imageid) 
        {
            document.getElementById(imageid).style.border = "solid 4px #000077";
        }
    </script>
    
    <img id="Image1" src="myimage.png"><br/>
    <input type="checkbox" name="mycheckbox" onclick="chnageborder('Image1');"> 
    
    </body>
    </html> 
    
    Code (markup):
    With that code when i check the checkbox the border is added, but it will not remove the border when I uncheck it, and that's exactly what I'm trying to do.

    Any help with this would be greatly appreciated !

    Thanks.
    SEMrush
     
    Shimurai, Aug 5, 2011 IP
    SEMrush
  2. Cash Nebula

    Cash Nebula Peon

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    #2
    Try this
    
    <html>
    <body>
    
    <script language="JavaScript" type="text/javascript">
        function chnageborder(imageid) 
        {
    	var img = document.getElementById(imageid);
    	if (img.style.border == '') img.style.border = "solid 4px #000077";
    	else img.style.border = '';
        }
    </script>
    
    <img id="Image1" src="myimage.png"><br/>
    <input type="checkbox" name="mycheckbox" onclick="chnageborder('Image1');"> 
    
    </body>
    </html>
    
    Code (markup):
     
    Cash Nebula, Aug 6, 2011 IP
  3. JohnnySchultz

    JohnnySchultz Peon

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    #3
    you can try this one..

    
    <script type="text/javascript" >
    function changeborder(chk, imageid)
    {  
       document.getElementById(imageid).style.border = (chk.checked)?"solid 4px #000077":"none";
    } 
    </script>
    <img id="Image1" src="myimage.png"><br/>
    <input type="checkbox" name="mycheckbox" onclick="changeborder(this,'Image1');">
    
    
    HTML:
     
     
    JohnnySchultz, Aug 8, 2011 IP
  4. Shimurai

    Shimurai Well-Known Member

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    #4
    thanks ! both are working perfectly as I needed.

    now, my issue is that the border makes the image to be larger, and it will move the checkbox down and up when i add it and remove it so I was wondering if there's any way to add an inner border with javascript ?

    thanks ;)
     
    Last edited: Aug 12, 2011
    Shimurai, Aug 12, 2011 IP
  5. Cash Nebula

    Cash Nebula Peon

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    #5
    Give the image a transparent border, then you only need to change the color.
    
    <html>
    <head>
    <style type="text/css">
    	#Image1 { border: solid 4px transparent; }
    </style>
    <script language="JavaScript" type="text/javascript">
    function changeborder(imageid) {
    	var img = document.getElementById(imageid);
    	if (img.style.borderColor == '') img.style.borderColor = "#000077";
    	else img.style.borderColor = '';
    }
    </script>
    </head>
    <body>
    <img id="Image1" src="myimage.png"><br/>
    <input type="checkbox" name="mycheckbox" onclick="changeborder('Image1');"> 
    </body>
    </html>
    
    Code (markup):
     
    Cash Nebula, Aug 12, 2011 IP