IE11 safe

emberjs · Sep 24, 2020 · dd9a47a · dd9a47a
1 parent 578aae0
commit dd9a47a
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/packages/model/addon/-private/system/many-array.js b/packages/model/addon/-private/system/many-array.js
@@ -169,7 +169,11 @@ export default EmberObject.extend(MutableArray, DeprecatedEvented, {
     // By using `get()`, the tracking system knows to pay attention to changes that occur.
     get(this, '[]');
 
-    return (Number.isInteger(this._length) && this._length) || 0;
+    if (typeof this._length === 'number') {
+      return this._length;
+    }
+
+    return (this._length = 0);
   },
 
   set length(value) {