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JavaRanch » Java Forums » Engineering » HTML, CSS and JavaScript
Bookmark "Check/Uncheck All Multibox  " Watch "Check/Uncheck All Multibox  " New topic
Author

Check/Uncheck All Multibox

kobe phenom
Greenhorn

Joined: Aug 24, 2003
Posts: 11
I was able to check and uncheck a set of checkboxes I just edited a line in the sample code given to me.

function checkAll(){
var chkBoxes = document.forms[0].myArray
var chkAll = document.getElementById("chkAll");

for(i=0; i<chkBoxes.length; i++){
if(chkAll.checked){
chkBoxes[i].checked = true;
} else {
chkBoxes[i].checked = false;
}
}
}
It works fine for cases where my multibox has more than one item but it does not work for cases where the multibox has only one item. The length of chkBoxes is undefined in this case. Could you help me how to fix it? Thanks in advance
Kartik Patel
Ranch Hand

Joined: Sep 12, 2005
Posts: 73
can you send the whole html code?


Chop your own wood, and it will warm you twice. - Henry Ford
Bear Bibeault
Author and ninkuma
Marshal

Joined: Jan 10, 2002
Posts: 61762
    
  67

Moved to HTML/Javascript.


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Eric Pascarello
author
Rancher

Joined: Nov 08, 2001
Posts: 15376
    
    6
Been answered many times before: http://www.coderanch.com/t/116148/HTML-JavaScript/Select-All

Eric
kobe phenom
Greenhorn

Joined: Aug 24, 2003
Posts: 11
Many Thanks
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: Check/Uncheck All Multibox