created checkpoint: profile-lookup

made final changes

added release date to Jan 8

made 'prop' argument clearer

seed/challenges/01-front-end-development-certification/basic-javascript.json

@@ -3923,6 +3923,76 @@
       "type": "waypoint",
       "challengeType": 1
     },
+    {
+      "id": "5688e62ea601b2482ff8422b",
+      "title": "Profile Lookup",
+      "description": [
+        "We have an array of objects representing different people in our contacts lists.",
+        "A <code>lookUp</code> function that takes <code>firstName</code> and a property (<code>prop</code>) as arguments has been pre-written for you.",
+        "The function should check if <code>firstName</code> is an actual contact's <code>firstName</code> and the given property (<code>prop</code>) is a property of that contact.",
+        "If both are true, then return the \"value\" of that property.",
+        "If <code>firstName</code> does not correspond to any contacts then return <code>\"No such contact\"</code>",
+        "If <code>prop</code> does not correspond to any valid properties then return <code>\"No such property\"</code>",
+        ""
+      ],
+      "releasedOn": "January 8, 2016",
+      "challengeSeed": [
+        "//Setup",
+        "var contacts = [",
+        "    {",
+        "        \"firstName\": \"Akira\",",
+        "        \"lastName\": \"Laine\",",
+        "        \"number\": \"0543236543\",",
+        "        \"likes\": [\"Pizza\", \"Coding\", \"Brownie Points\"]",
+        "    },",
+        "    {",
+        "        \"firstName\": \"Harry\",",
+        "        \"lastName\": \"Potter\",",
+        "        \"number\": \"0994372684\",",
+        "        \"likes\": [\"Hogwarts\", \"Magic\", \"Hagrid\"]",
+        "    },",
+        "    {",
+        "        \"firstName\": \"Sherlock\",",
+        "        \"lastName\": \"Holmes\",",
+        "        \"number\": \"0487345643\",",
+        "        \"likes\": [\"Intruiging Cases\", \"Violin\"]",
+        "    },",
+        "    {",
+        "        \"firstName\": \"Kristian\",",
+        "        \"lastName\": \"Vos\",",
+        "        \"number\": \"unknown\",",
+        "        \"likes\": [\"Javascript\", \"Gaming\", \"Foxes\"]",
+        "    },",
+        "];",
+        "",
+        "",
+        "function lookUp(firstName, prop){",
+        "// Only change code below this line",
+        "",
+        "// Only change code above this line",
+        "}",
+        "",
+        "// Change these values to test your function",
+        "lookUp(\"Akira\", \"likes\");"
+      ],
+      "solutions": [
+        "var contacts = [\n    {\n        \"firstName\": \"Akira\",\n        \"lastName\": \"Laine\",\n        \"number\": \"0543236543\",\n        \"likes\": [\"Pizza\", \"Coding\", \"Brownie Points\"]\n    },\n    {\n        \"firstName\": \"Harry\",\n        \"lastName\": \"Potter\",\n        \"number\": \"0994372684\",\n        \"likes\": [\"Hogwarts\", \"Magic\", \"Hagrid\"]\n    },\n    {\n        \"firstName\": \"Sherlock\",\n        \"lastName\": \"Holmes\",\n        \"number\": \"0487345643\",\n        \"likes\": [\"Intruiging Cases\", \"Violin\"]\n    },\n    {\n        \"firstName\": \"Kristian\",\n        \"lastName\": \"Vos\",\n        \"number\": \"unknown\",\n        \"likes\": [\"Javascript\", \"Gaming\", \"Foxes\"]\n    },\n];\n\n\n//Write your function in between these comments\nfunction lookUp(name, prop){\n    for(var i in contacts){\n      if(contacts[i].firstName === name) {\n        return contacts[i][prop] || \"No such property\";\n      }\n    }\n   return \"No such contact\";\n}\n//Write your function in between these comments\n\nlookUp(\"Akira\", \"likes\");"
+      ],
+      "tests": [
+        "assert(lookUp('Kristian','lastName') === \"Vos\", 'message: <code>\"Kristian\", \"lastName\"</code> should return <code>\"Vos\"</code>');",
+        "assert.deepEqual(lookUp(\"Sherlock\", \"likes\"), [\"Intruiging Cases\", \"Violin\"], 'message: <code>\"Sherlock\", \"likes\"</code> should return <code>[\"Intruiging Cases\", \"Violin\"]</code>');",
+        "assert(typeof lookUp(\"Harry\", \"likes\") === \"object\", 'message: <code>\"Harry\",\"likes\"</code> should return an array');",
+        "assert(lookUp(\"Bob\", \"number\") === \"No such contact\", 'message: <code>\"Bob\", \"number\"</code> should return \"No such contact\"');",
+        "assert(lookUp(\"Akira\", \"address\") === \"No such property\", 'message: <code>\"Akira\", \"address\"</code> should return \"No such property\"');"
+      ],
+      "type": "checkpoint",
+      "challengeType": 1,
+      "nameCn": "",
+      "nameFr": "",
+      "nameRu": "",
+      "nameEs": "",
+      "namePt": ""
+    },
     {
       "id": "cf1111c1c11feddfaeb9bdef",
       "title": "Generate Random Fractions with JavaScript",