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<html lang="en">
<head>
  <meta charset="utf-8">
  <title>_.escape — round-trip</title>
</head>
<body>
  <h1>escape ↔ unescape</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    var original = "Tom & Jerry";
    var encoded = _.escape(original);
    var decoded = _.unescape(encoded);
    document.getElementById("out").textContent =
      encoded + "\n" + decoded;
  </script>
</body>
</html>

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Lodash _.escape — round-trip (Try It)