scope

src/validate/html/a11y.ts

@@ -73,6 +73,11 @@ export default function a11y(
 			validator.warn(`A11y: Avoid using autofocus`, attribute.start);
 		}
 
+		// scope
+		if (name === 'scope' && node.name !== 'th') {
+			validator.warn(`A11y: The scope attribute should only be used with <th> elements`, attribute.start);
+		}
+
 		attributeMap.set(attribute.name, attribute);
 	});
 

test/validator/samples/a11y-scope/input.html

@@ -0,0 +1 @@
+<div scope/>

test/validator/samples/a11y-scope/warnings.json

@@ -0,0 +1,10 @@
+[
+	{
+		"message": "A11y: The scope attribute should only be used with <th> elements",
+		"loc": {
+			"line": 1,
+			"column": 5
+		},
+		"pos": 5
+	}
+]