Fix 'Creating and Adding to Sets in ES6' challenge

seed/challenges/08-coding-interview-questions-and-take-home-assignments/coding-interview-data-structure-questions.json

@@ -674,31 +674,34 @@
       "id": "587d8254367417b2b2512c70",
       "title": "Creating and Adding to Sets in ES6",
       "description": [
-        "Now we have worked through ES5, we are going to perform similar actions in ES6. This will be considerably easier. Set is now now a provided data structure like Object, Array, etc. so many of the operations we wrote by hand are now included for us. Let's take a look:",
+        "Now that you have worked through ES5, you are going to perform something similar in ES6. This will be considerably easier. ES6 contains a built-in data structure <code>Set</code> so many of the operations you wrote by hand are now included for you. Let's take a look:",
         "To create a new empty set:",
-        "var set = new Set();",
+        "<code>var set = new Set();</code>",
         "You can create a set with a value:",
-        "var set = new Set(1);",
+        "<code>var set = new Set(1);</code>",
         "You can create a set with an array:",
-        "var set = new Set([1,2,3]);",
-        "Once you have created a set, you can add the values you wish using set.add:",
-        "var set = new Set([1,2,3]);",
-        "set.add([4,5,6]);",
-        "For this exercise, we will return a set with the following values: 1, 2, 3, 'Taco', 'Cat', 'Awesome'",
-        "Test suite (using the assert method)",
-        "assert((function(){var test = checkSet(); var testArr = [...test];  testArr === [ 1, 2, 3, 'Taco', 'Cat', 'Awesome'])}, 'message: Your Set was returned correctly!');"
+        "<code>var set = new Set([1, 2, 3]);</code>",
+        "Once you have created a set, you can add the values you wish using the <code>add</code> method:",
+        "<blockquote>var set = new Set([1, 2, 3]);<br>set.add([4, 5, 6]);</blockquote>",
+        "As a reminder, a set is a data structure that cannot contain duplicate values:",
+        "<blockquote>var set = new Set([1, 2, 3, 1, 2, 3]);<br>// set contains [1, 2, 3] only</blockquote>",
+        "<hr>",
+        "For this exercise, return a set with the following values: <code>1, 2, 3, 'Taco', 'Cat', 'Awesome'</code>"
       ],
       "challengeSeed": [
-        "function checkSet(){",
-        "   var set = new Set([1,2,3,3,2,1,2,3,1]);",
-        "   // change code below this line",
-        "   // change code above this line",
-        "   console.log(set)",
-        "};",
+        "function checkSet() {",
+        "  var set = new Set([1, 2, 3, 3, 2, 1, 2, 3, 1]);",
+        "  // change code below this line",
+        "  ",
+        "  // change code above this line",
+        "  console.log(set);",
+        "  return set;",
+        "}",
+        "",
         "checkSet();"
       ],
       "tests": [
-        "assert((function(){var test = checkSet(); var testArr = [...test];  testArr === [ 1, 2, 3, 'Taco', 'Cat', 'Awesome'])}, 'message: Your Set was returned correctly!');"
+        "assert((function(){var test = checkSet(); return (test.size == 6) && test.has(1) && test.has(2) && test.has(3) && test.has('Taco') && test.has('Cat') && test.has('Awesome');})(), 'message: Your <code>Set</code> only contains the values <code>1, 2, 3, Taco, Cat, Awesome</code>.');"
       ],
       "type": "waypoint",
       "releasedOn": "Feb 17, 2017",