Core: Fix focusable detection for image maps

scottgonzalez · scottgonzalez · commit d6d15b455839 · 2014-07-30T10:03:53.000-04:00
The attribute selector requires quotes to be valid, but only new (unreleased)
Sizzle has this requirement.
diff --git a/ui/core.js b/ui/core.js
@@ -93,7 +93,7 @@ function focusable( element, isTabIndexNotNaN ) {
 		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
 			return false;
 		}
-		img = $( "img[usemap=#" + mapName + "]" )[0];
+		img = $( "img[usemap='#" + mapName + "']" )[ 0 ];
 		return !!img && visible( img );
 	}
 	return ( /input|select|textarea|button|object/.test( nodeName ) ?

Original file line number	Diff line number	Diff line change
`@@ -93,7 +93,7 @@ function focusable( element, isTabIndexNotNaN ) {`
`93`	`93`	`if ( !element.href \|\| !mapName \|\| map.nodeName.toLowerCase() !== "map" ) {`
`94`	`94`	`return false;`
`95`	`95`	`}`
`96`		`- img = $( "img[usemap=#" + mapName + "]" )[0];`
	`96`	`+ img = $( "img[usemap='#" + mapName + "']" )[ 0 ];`
`97`	`97`	`return !!img && visible( img );`
`98`	`98`	`}`
`99`	`99`	`return ( /input\|select\|textarea\|button\|object/.test( nodeName ) ?`