Fix #13089. Only apply zoom to IE6/7 body.

src/support.js

@@ -219,9 +219,12 @@ jQuery.support = (function() {
 			div.firstChild.style.width = "5px";
 			support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
 
-			// Prevent IE 6 from affecting layout for positioned elements #11048
-			// Prevent IE from shrinking the body in IE 7 mode #12869
-			body.style.zoom = 1;
+			if ( support.inlineBlockNeedsLayout ) {
+				// Prevent IE 6 from affecting layout for positioned elements #11048
+				// Prevent IE from shrinking the body in IE 7 mode #12869
+				// Support: IE<8
+				body.style.zoom = 1;
+			}
 		}
 
 		body.removeChild( container );

test/unit/support.js

@@ -6,6 +6,15 @@ test("boxModel", function() {
 	equal( jQuery.support.boxModel, document.compatMode === "CSS1Compat" , "jQuery.support.boxModel is sort of tied to quirks mode but unstable since 1.8" );
 });
 
+test( "zoom of doom (#13089)", function() {
+	expect( 1 );
+
+	if ( jQuery.support.inlineBlockNeedsLayout ) {
+		ok( document.body.style.zoom, "Added a zoom to the body (#11048, #12869)" );
+	} else {
+		ok( !document.body.style.zoom, "No zoom added to the body" );
+	}
+});
 if ( jQuery.css ) {
 	testIframeWithCallback( "body background is not lost if set prior to loading jQuery (#9239)", "support/bodyBackground.html", function( color, support ) {
 		expect( 2 );