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BrynM/isvis()

Last active December 14, 2015 23:39
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Test if a given HTML element is visible - isvis()
Raw
isvis()
function isvis ( thing ) {
if ( typeof(thing) === 'object' ) {
try {
return ( thing instanceof HTMLElement ) &&
!( ( thing.offsetWidth === 0 ) && ( thing.offsetHeight === 0 ) );
} catch (e) {
return ( thing.nodeType === 1 ) &&
( typeof(thing.style) === 'object') &&
( typeof(thing.ownerDocument) ==='object') &&
!( ( thing.offsetWidth === 0 ) && ( thing.offsetHeight === 0 ) );
}
}
return false;
}
// use
var visible = isvis( document.getElementById( 'foo_elem' ) );
@BrynM
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BrynM commented Mar 15, 2013

Pretty much public domain - copy/pasta good.

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