Performance test for array deopt

preactjs · Oct 2, 2024 · 85f218d · 85f218d
1 parent 79303ec
commit 85f218d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/diff/props.js b/src/diff/props.js
@@ -135,7 +135,10 @@ export function setProperty(dom, name, value, oldValue, namespace) {
 
 		if (typeof value == 'function') {
 			// never serialize functions as attribute values
-		} else if (value != null && (value !== false || name[4] === '-')) {
+		} else if (
+			value != null &&
+			(value !== false || (name.length > 4 && name[4] === '-'))
+		) {
 			dom.setAttribute(name, name == 'popover' && value == true ? '' : value);
 		} else {
 			dom.removeAttribute(name);