code.js

function hideIngredients(){
	document.getElementById('ingredient-list').style.display="none";
	document.getElementById('hideButton').setAttribute( "onclick", "javascript: unhideIngredients();" );
	document.getElementById('hideButton').innerHTML="unhide ingredients";
}

function unhideIngredients(){
	document.getElementById('ingredient-list').style.display="block";
	document.getElementById('hideButton').setAttribute( "onclick", "javascript: hideIngredients();" );
	document.getElementById('hideButton').innerHTML="hide ingredients";
}

function getRequestedMultiplierCount(){
  var multiplier = document.forms.multiplierInput.multiplier.value.trim();
  document.getElementById("description").innerHTML = "new";
  return Number(multiplier);
}

function scaleRecipe(){
	var multiplier;
	multiplier = getRequestedMultiplierCount();

	var ingredients;
	ingredients = document.getElementsByClassName("quantity");
	for (i in ingredients) {
		ingredients[i].innerHTML = 'test' // Number(ingredients[i].innerHTML) * multiplier
	};
}