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  <title>Lodash _.omitBy - omit by key</title>
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  <h1>_.omitBy - omit by key</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var user = {
        id: 1,
        username: "john_doe",
        email: "john@example.com",
        isAdmin: true
      };
      var publicUser = _.omitBy(user, function (value, key) {
        return key === "isAdmin";
      });
      var lines = [
        "publicUser:",
        JSON.stringify(publicUser, null, 2),
        "",
        "user.isAdmin still:",
        user.isAdmin
      ];
      document.getElementById("out").textContent = lines.join("\n");
    })();
  </script>
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Lodash _.omitBy - omit by key (Try It)