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  <meta charset="utf-8">
  <title>Lodash isMatchWith — mixed keys</title>
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<body>
  <h1>_.isMatchWith — mixed strictness</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      function scoreCustomizer(objValue, srcValue, key) {
        if (key === "score") {
          return (
            typeof objValue === "number" &&
            typeof srcValue === "number" &&
            Math.abs(objValue - srcValue) < 1
          );
        }
      }
      document.getElementById("out").textContent =
        "bothOk: " +
          _.isMatchWith(
            { score: 10, id: 1 },
            { score: 10.5, id: 1 },
            scoreCustomizer
          ) +
          "\n" +
        "idFails: " +
          _.isMatchWith(
            { score: 10, id: 2 },
            { score: 10.5, id: 1 },
            scoreCustomizer
          );
    })();
  </script>
</body>
</html>

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Lodash _.isMatchWith — score + id (Try It)