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Set The Visibility Of HTML Items By Name  

by Matt Hawkins, 12/06/2009
Categories : JavaScript

The following JavaScript function allows you to set the visibility of an HTML element to be visible or invisible based on its "name" attribute. It also allow you to toggle the current visibility.

This function is a useful way of showing and hiding html items including divs and images.

The function definition is shown below. It takes two arguments : The name attribute value and the mode you wish to use.


<script language="JavaScript">
<!-- Begin
function toggleByName(sName,sMode)
{
// This function shows/hides or toggles the
// visibility of all elements with their
// name attribute set to sName
//
// mode 0 - Hide
// mode 1 - Show
// mode 2 - Toggle
//
// http://www.mattsbits.co.uk

var elements = document.getElementsByName(sName);
var i=0;

// For each item with name sName
for (i=0;i<elements.length;i++)
{
switch (sMode) {
case 0:
// Hide
elements[i].style.display='none';
break;
case 1:
// Show
elements[i].style.display='block';
break;
case 2:
// Toggle
if (elements[i].style.display=='none') {
elements[i].style.display='block';
} else {
elements[i].style.display='none';
}
break;
}
}
}
// End -->
</script>


Many elements can share the same name value and this function will affect all of them.

Author : Matt Hawkins  Last Edit By : Matt Hawkins
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