600803-1.html - mozsearch

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<!DOCTYPE html>

<html>

  <body onload="onLoad()">

    <textarea></textarea>

    <div id="start"></div>

    <div id="end"></div>

    <script>

      function onLoad() {

        var t = document.querySelector("textarea");

        t.value = "aaa\nbbb";

        t.value = "aaa\nbbb\n";

        t.value += "X";

        document.getElementById("start").textContent = t.selectionStart;

        document.getElementById("end").textContent = t.selectionEnd;

    </script>

  </body>

</html>