| <!DOCTYPE html> |
| <html> |
| <meta charset="utf-8"> |
| <title>Node.prototype.getElementsByClassName with no real class names</title> |
| <link rel=help href="https://dom.spec.whatwg.org/#dom-document-getelementsbyclassname"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <span class=" ">test</span> |
| |
| <script> |
| "use strict"; |
| |
| test(() => { |
| const elements = document.getElementsByClassName(""); |
| assert_array_equals(elements, []); |
| }, "Passing an empty string to getElementsByClassName should return an empty HTMLCollection"); |
| |
| test(() => { |
| const elements = document.getElementsByClassName(" "); |
| assert_array_equals(elements, []); |
| }, "Passing a space to getElementsByClassName should return an empty HTMLCollection"); |
| |
| test(() => { |
| const elements = document.getElementsByClassName(" "); |
| assert_array_equals(elements, []); |
| }, "Passing three spaces to getElementsByClassName should return an empty HTMLCollection"); |
| |
| </script> |
