No global vars allowed. Declare 'body' in support.

src/support.js

@@ -184,28 +184,27 @@ jQuery.support = (function() {
 	fragment.removeChild( div );
 
 	// Null elements to avoid leaks in IE
-	fragment = select = opt = body = marginDiv = div = input = null;
+	fragment = select = opt = marginDiv = div = input = null;
 
-	// Run fixed position tests at doc ready to avoid a crash
-	// related to the invisible body in IE8
+	// Run tests that need a body at doc ready
 	jQuery(function() {
 		var container, outer, inner, table, td, offsetSupport,
-			conMarginTop = 1,
-			ptlm = "position:absolute;top:0;left:0;width:1px;height:1px;margin:0;",
-			vb = "visibility:hidden;border:0;",
-			style = "style='" + ptlm + "border:5px solid #000;padding:0;'",
-			html = "<div " + style + "><div></div></div>" +
-				"<table " + style + " cellpadding='0' cellspacing='0'>" +
-				"<tr><td></td></tr></table>";
-
-		// Reconstruct a container
+			conMarginTop, ptlm, vb, style, html,
 			body = document.getElementsByTagName("body")[0];
+
 		if ( !body ) {
 			// Return for frameset docs that don't have a body
-			// These tests cannot be done
 			return;
 		}
 
+		conMarginTop = 1;
+		ptlm = "position:absolute;top:0;left:0;width:1px;height:1px;margin:0;";
+		vb = "visibility:hidden;border:0;";
+		style = "style='" + ptlm + "border:5px solid #000;padding:0;'";
+		html = "<div " + style + "><div></div></div>" +
+			"<table " + style + " cellpadding='0' cellspacing='0'>" +
+			"<tr><td></td></tr></table>";
+
 		container = document.createElement("div");
 		container.style.cssText = vb + "width:0;height:0;position:static;top:0;margin-top:" + conMarginTop + "px";
 		body.insertBefore( container, body.firstChild );

test/unit/support.js

@@ -50,7 +50,7 @@ supportIFrameTest( "body background is not lost if set prior to loading jQuery (
 	for ( i in support ) {
 		if ( !( i in jQuery.support ) ) {
 			passed = false;
-			strictEqual( src[ i ], dest[ i ], "Unexpected property: " + i );
+			strictEqual( jQuery.support[ i ], support[ i ], "Unexpected property: " + i );
 		}
 	}
 	ok( passed, "Same support properties" );