css-text/overflow-wrap.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title>overflow-wrap</title>
    <link rel="stylesheet" href="styles.css" />
    <style>
      * {
        box-sizing: border-box;
      }

      .box {
        border: 4px solid #f76707;
        border-radius: 5px;
        padding: 10px;
      }
    </style>

    <style class="editable">
      .box {
        inline-size: 150px;
        overflow-wrap: break-word; 
      }
    </style>
  </head>

  <body>
    <section class="preview">
      <div class="box">
        Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch
      </div>
    </section>

    <textarea class="playable playable-css" style="height: 100px;">
.box {
    inline-size: 150px;
    overflow-wrap: break-word;
}
    </textarea>

    <textarea class="playable playable-html" style="height: 150px;">
<div class="box">
    Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch
</div>
    </textarea>

    <div class="playable-buttons">
      <input id="reset" type="button" value="Reset" />
    </div>
  </body>
  <script src="playable.js"></script>
</html>