corrade-nucleus-nucleons
/pack-rat/003_pack_rat/pack-rat/node_modules/jquery/src/css/var/isHiddenWithinTree.js |
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define( [ |
"../../core", |
"../../selector" |
|
// css is assumed |
], function( jQuery ) { |
"use strict"; |
|
// isHiddenWithinTree reports if an element has a non-"none" display style (inline and/or |
// through the CSS cascade), which is useful in deciding whether or not to make it visible. |
// It differs from the :hidden selector (jQuery.expr.pseudos.hidden) in two important ways: |
// * A hidden ancestor does not force an element to be classified as hidden. |
// * Being disconnected from the document does not force an element to be classified as hidden. |
// These differences improve the behavior of .toggle() et al. when applied to elements that are |
// detached or contained within hidden ancestors (gh-2404, gh-2863). |
return function( elem, el ) { |
|
// isHiddenWithinTree might be called from jQuery#filter function; |
// in that case, element will be second argument |
elem = el || elem; |
|
// Inline style trumps all |
return elem.style.display === "none" || |
elem.style.display === "" && |
|
// Otherwise, check computed style |
// Support: Firefox <=43 - 45 |
// Disconnected elements can have computed display: none, so first confirm that elem is |
// in the document. |
jQuery.contains( elem.ownerDocument, elem ) && |
|
jQuery.css( elem, "display" ) === "none"; |
}; |
} ); |