update the rule #1676

IBMa · Oct 9, 2023 · efd3098 · efd3098
1 parent 478f7a7
commit efd3098
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/accessibility-checker-engine/src/v4/rules/element_tabbable_unobscured.ts b/accessibility-checker-engine/src/v4/rules/element_tabbable_unobscured.ts
@@ -99,10 +99,12 @@ export let element_tabbable_unobscured: Rule = {
             if (VisUtil.isNodeVisible(elem)) {
                 const bnds = mapper.getBounds(elem);
                 var zStyle = win.getComputedStyle(elem);
-                let z_index = "0";
-                if (zStyle !== null) {
+                let z_index;
+                if (zStyle === null) 
+                    z_index = 0;
+                else {
                     z_index = zStyle.zIndex;   
-                    if (!z_index || z_index === 'auto')
+                    if (!z_index || !Number.isInteger(z_index))
                         z_index = "0";
                 }
                 if (bnds.height !== 0 && bnds.width !== 0