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JavaScript - how to find min value in array of arrays?

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11 points

Using JavaScript it is possible to find minimum value in array of arrays in following way.

1. Custom method example

// ONLINE-RUNNER:browser;

function findMin() {
  function checkEntry(entry) {
    if (entry instanceof Array) {
        return findMin.apply(null, entry);
      }
      
      return entry;
  }

  if (arguments.length > 0) {
    var result = checkEntry(arguments[0]);

    for (var i = 1; i < arguments.length; ++i) {
      var value = checkEntry(arguments[i]);

      if (value < result) {
        result = value;
      }
    }

    return result;
  }

  return NaN;
}

console.log(findMin(1, 2, 3, [4, 5, 6],[7, 8, [9, 10]])); // 1

See also

  1. JavaScript - Math.min() method example
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