HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Lodash _.uniqueId - basic prefix</title>
</head>
<body>
  <h1>_.uniqueId("user_")</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var first = _.uniqueId("user_");
      var second = _.uniqueId("user_");
      document.getElementById("out").textContent =
        "first: " + first + "\n" +
        "second: " + second;
    })();
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

Lodash _.uniqueId - basic prefix (Try It)