Fix #10996, simplify offset code by forsaking ancient browsers.

1 files changed, 5 insertions, 36 deletions

diff --git a/src/support.js b/src/support.js
index baebaa2a0..5a0d1b731 100644
--- a/src/support.js
+++ b/src/support.js
@@ -178,9 +178,8 @@ jQuery.support = (function() {
 
 	// Run tests that need a body at doc ready
 	jQuery(function() {
-		var container, outer, inner, table, td, offsetSupport,
-			marginDiv, conMarginTop, style, html, positionTopLeftWidthHeight,
-			paddingMarginBorderVisibility, paddingMarginBorder,
+		var container, offsetSupport, marginDiv,
+			conMarginTop = 1,
 			body = document.getElementsByTagName("body")[0];
 
 		if ( !body ) {
@@ -188,17 +187,8 @@ jQuery.support = (function() {
 			return;
 		}
 
-		conMarginTop = 1;
-		paddingMarginBorder = "padding:0;margin:0;border:";
-		positionTopLeftWidthHeight = "position:absolute;top:0;left:0;width:1px;height:1px;";
-		paddingMarginBorderVisibility = paddingMarginBorder + "0;visibility:hidden;";
-		style = "style='" + positionTopLeftWidthHeight + paddingMarginBorder + "5px solid #000;";
-		html = "<div " + style + "display:block;'><div style='" + paddingMarginBorder + "0;display:block;overflow:hidden;'></div></div>" +
-			"<table " + style + "' cellpadding='0' cellspacing='0'>" +
-			"<tr><td></td></tr></table>";
-
 		container = document.createElement("div");
-		container.style.cssText = paddingMarginBorderVisibility + "width:0;height:0;position:static;top:0;margin-top:" + conMarginTop + "px";
+		container.style.cssText = "visibility:hidden;border:0;width:0;height:0;position:static;top:0;margin-top:" + conMarginTop + "px";
 		body.insertBefore( container, body.firstChild );
 
 		// Construct the test element
@@ -212,7 +202,7 @@ jQuery.support = (function() {
 		// display:none (it is still safe to use offsets if a parent element is
 		// hidden; don safety goggles and see bug #4512 for more information).
 		// (only IE 8 fails this test)
-		div.innerHTML = "<table><tr><td style='" + paddingMarginBorder + "0;display:none'></td><td>t</td></tr></table>";
+		div.innerHTML = "<table><tr><td style='padding:0;margin:0;border:0;display:none'></td><td>t</td></tr></table>";
 		tds = div.getElementsByTagName( "td" );
 		isSupported = ( tds[ 0 ].offsetHeight === 0 );
 
@@ -260,31 +250,10 @@ jQuery.support = (function() {
 			support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
 		}
 
-		div.style.cssText = positionTopLeftWidthHeight + paddingMarginBorderVisibility;
-		div.innerHTML = html;
-
-		outer = div.firstChild;
-		inner = outer.firstChild;
-		td = outer.nextSibling.firstChild.firstChild;
-
 		offsetSupport = {
-			doesNotAddBorder: ( inner.offsetTop !== 5 ),
-			doesAddBorderForTableAndCells: ( td.offsetTop === 5 )
+			doesNotIncludeMarginInBodyOffset: ( body.offsetTop !== conMarginTop )
 		};
 
-		inner.style.position = "fixed";
-		inner.style.top = "20px";
-
-		// safari subtracts parent border width here which is 5px
-		offsetSupport.fixedPosition = ( inner.offsetTop === 20 || inner.offsetTop === 15 );
-		inner.style.position = inner.style.top = "";
-
-		outer.style.overflow = "hidden";
-		outer.style.position = "relative";
-
-		offsetSupport.subtractsBorderForOverflowNotVisible = ( inner.offsetTop === -5 );
-		offsetSupport.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== conMarginTop );
-
 		if ( window.getComputedStyle ) {
 			div.style.marginTop = "1%";
 			support.pixelMargin = ( window.getComputedStyle( div, null ) || { marginTop: 0 } ).marginTop !== "1%";