code: function formatNumber( number ) {
  	if ( Math.round( number ) === number ) {
  		return number;
  	}
  
  	return Math.round( number * 10000 ) / 10000;
  }
docs: Rounds number to four decimals.
  
  @param {number} number The number to be rounded.
  
  @returns {number} The rounded number.