function randomFloat(min, max) {
  min = _.isNumber(min) ? min : 0;
  max = _.isNumber(max) ? max : 1;
  return min + (Math.random() * (max - min));
}
Creates a random float between min and max.

@static
@memberOf _
@param {number} [min=0] - The minimum value.
@param {number} [max=1] - The maximum value.
@returns {number} Returns the random float between min and max.