adding sample code from lecture

CodeExamples/Week2/jsObjectComparison.js

+let team1 = {
+    teamName: 'The Bullets',
+    sport: 'Basketball',
+    city: 'Washington'
+}
+
+let team2 = {
+    teamName: 'The Bullets',
+    sport: 'basketball',
+    city: 'Washington'
+}
+
+let team3  = team1
+
+function shallowObjectComparison(obj1, obj2) {
+    let keys1 = Object.keys(obj1)
+    let keys2 = Object.keys(obj2)
+    if (keys1.length !== keys2.length) {
+        return false
+    }
+    // there are the same number of keys in each array, i.e. the same number of properties in each object
+    for (let key of keys1) {
+        if (obj1[key] !== obj2[key]) {
+            return false
+        }
+    }
+    return true
+}
+console.log(team3 === team1)
+console.log(team2 === team1)
+console.log(shallowObjectComparison(team1, team2))
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