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  <title>Lodash _.findKey — object matcher</title>
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  <h1>_.findKey — object matcher</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var produce = {
        apple:  { color: "red",    type: "fruit" },
        banana: { color: "yellow", type: "fruit" },
        carrot: { color: "orange", type: "vegetable" }
      };
      var lines = [];
      lines.push(String(_.findKey(produce, { color: "yellow" })));
      lines.push(String(_.findKey(produce, { type: "vegetable" })));
      lines.push(String(_.findKey(produce, { color: "purple" })));
      document.getElementById("out").textContent =
        lines.join(String.fromCharCode(10));
    })();
  </script>
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Lodash _.findKey — object matcher: find by a value's property (Try It)