code: function addRemoveToggleClass (context, className, method) {
  		// Split by spaces, then remove empty elements caused by extra whitespace
  		const classNames = trimAndSplit(className);
  
  		if (classNames.length) {
  			context.forEach(element => {
  				if (method !== "toggle") {
  					// 'add' and 'remove' accept multiple parameters…
  					element.classList[method](...classNames);
  				} else {
  					// while 'toggle' accepts only one
  					classNames.forEach(className => element.classList.toggle(className))
  					}
  			});
  				}
  
  		return context;
  	}
docs: Add, remove, or toggle class names
  @private
  @param {Jamon} context - The Jamón instance
  @param {string} className - Space-separated class names
  @param {string} method - Method to use on the class name(s)
  @return {Jamon}