focus-file-input.html (745B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>HTML Test: file input can be programatically focused before layout</title> 4 <link rel="help" href="https://html.spec.whatwg.org/multipage/#focus"> 5 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=505355"> 6 <link rel="author" title="Mozilla" href="https://mozilla.org/"> 7 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> 8 <script src="/resources/testharness.js"></script> 9 <script src="/resources/testharnessreport.js"></script> 10 <input type="file"> 11 <script> 12 test(function() { 13 let input = document.querySelector("input"); 14 assert_not_equals(document.activeElement, input); 15 input.focus(); 16 assert_equals(document.activeElement, input); 17 }); 18 </script>