diff --git a/src/index.ts b/src/index.ts
index 265cd6a..5d3da4c 100755
--- a/src/index.ts
+++ b/src/index.ts
@@ -325,6 +325,14 @@ export class HTMLElement extends Node {
 			matcher = selector;
 			matcher.reset();
 		} else {
+			if (selector.includes(',')) {
+				const selectors = selector.split(',') as string[];
+				let result = [] as HTMLElement[];
+				selectors.forEach((s) => {
+					result = result.concat(this.querySelectorAll(s.trim()));
+				})
+				return result;
+			}
 			matcher = new Matcher(selector);
 		}
 		const res = [] as HTMLElement[];
diff --git a/test/html.js b/test/html.js
index adef4fc..741bd0d 100644
--- a/test/html.js
+++ b/test/html.js
@@ -310,6 +310,7 @@ describe('HTML Parser', function () {
 				root.querySelectorAll('span.a.b').should.eql([root.firstChild.firstChild.firstChild]);
 				root.querySelectorAll('#id .b').should.eql([root.firstChild.firstChild.firstChild]);
 				root.querySelectorAll('#id span').should.eql(root.firstChild.firstChild.childNodes);
+				root.querySelectorAll('#id, #id .b').should.eql([root.firstChild, root.firstChild.firstChild.firstChild]);
 			});
 		});