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  <title>Lodash _.add — strings &amp; precision</title>
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  <h1>_.add — strings &amp; precision</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var lines = [
        'add(1, "2"):     ' + JSON.stringify(_.add(1, "2")),
        'add(10, "abc"):  ' + JSON.stringify(_.add(10, "abc")),
        'add("foo", 1):   ' + JSON.stringify(_.add("foo", 1)),
        "",
        "add(0.1, 0.2):   " + _.add(0.1, 0.2),
        "0.1 + 0.2:       " + (0.1 + 0.2),
        "",
        "// Safer: scale to integers",
        "add(10, 20) cents = " + _.add(10, 20),
        "as dollars = " + (_.add(10, 20) / 100).toFixed(2)
      ];
      document.getElementById("out").textContent = lines.join("\n");
    })();
  </script>
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