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; } ); /option> Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data
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