corrade-nucleus-nucleons – Rev 20

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define( [
        "../core",
        "../var/document",
        "../var/documentElement",
        "../var/support"
], function( jQuery, document, documentElement, support ) {

"use strict";

( function() {

        // Executing both pixelPosition & boxSizingReliable tests require only one layout
        // so they're executed at the same time to save the second computation.
        function computeStyleTests() {

                // This is a singleton, we need to execute it only once
                if ( !div ) {
                        return;
                }

                div.style.cssText =
                        "box-sizing:border-box;" +
                        "position:relative;display:block;" +
                        "margin:auto;border:1px;padding:1px;" +
                        "top:1%;width:50%";
                div.innerHTML = "";
                documentElement.appendChild( container );

                var divStyle = window.getComputedStyle( div );
                pixelPositionVal = divStyle.top !== "1%";

                // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
                reliableMarginLeftVal = divStyle.marginLeft === "2px";
                boxSizingReliableVal = divStyle.width === "4px";

                // Support: Android 4.0 - 4.3 only
                // Some styles come back with percentage values, even though they shouldn't
                div.style.marginRight = "50%";
                pixelMarginRightVal = divStyle.marginRight === "4px";

                documentElement.removeChild( container );

                // Nullify the div so it wouldn't be stored in the memory and
                // it will also be a sign that checks already performed
                div = null;
        }

        var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
                container = document.createElement( "div" ),
                div = document.createElement( "div" );

        // Finish early in limited (non-browser) environments
        if ( !div.style ) {
                return;
        }

        // Support: IE <=9 - 11 only
        // Style of cloned element affects source element cloned (#8908)
        div.style.backgroundClip = "content-box";
        div.cloneNode( true ).style.backgroundClip = "";
        support.clearCloneStyle = div.style.backgroundClip === "content-box";

        container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
                "padding:0;margin-top:1px;position:absolute";
        container.appendChild( div );

        jQuery.extend( support, {
                pixelPosition: function() {
                        computeStyleTests();
                        return pixelPositionVal;
                },
                boxSizingReliable: function() {
                        computeStyleTests();
                        return boxSizingReliableVal;
                },
                pixelMarginRight: function() {
                        computeStyleTests();
                        return pixelMarginRightVal;
                },
                reliableMarginLeft: function() {
                        computeStyleTests();
                        return reliableMarginLeftVal;
                }
        } );
} )();

return support;

} );