tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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setSelectionRange.html (543B)

      1 <!doctype html>
      2 <meta charset="utf-8">
      3 <title></title>
      4 <script src="/resources/testharness.js"></script>
      5 <script src="/resources/testharnessreport.js"></script>
      6 <textarea>
      7 
      8 </textarea>
      9 <script>
     10 test(function() {
     11    let textarea = document.querySelector('textarea');
     12    assert_equals(textarea.selectionStart, 0);
     13    assert_equals(textarea.selectionEnd, 0);
     14    textarea.setSelectionRange(0, 1);
     15    assert_equals(textarea.selectionStart, 0);
     16    assert_equals(textarea.selectionEnd, 1);
     17 }, "setSelectionRange on line boundaries");
     18 </script>