gentelella/vendors/jqvmap/src/ColorScale/vectorToNum.js

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ColorScale.prototype.vectorToNum = function (vector) {
  var num = 0;
  for (var i = 0; i < vector.length; i++) {
    num += Math.round(vector[i]) * Math.pow(256, vector.length - i - 1);
  }
  return num;
};