@@ -0,0 +1,77 @@
+function myAdd(a, b) {
+// var oopsGlobal = 5; // This is local
+oopsGlobal = 5; // This is global
+return a + b;
+}
+
+console.log(myAdd(100, 189.987))
+
+
+// Global Scope
+var myGlobal = 10;
+function myNewAdd(a, b) {
+if (typeof myGlobal != undefined) {
+output = a + b + myGlobal;
+}
+if (typeof oopsGlobal != undefined) {
+output = a + b + oopsGlobal;
+}
+return output;
+
+}
+console.log(myNewAdd(100, 189.987))
+
+
+// Local variable take precedence over global variable
+var outerWear = "T-Shirt";
+function myOutfit() {
+var outerWear = "Sweater";
+return outerWear;
+}
+console.log(myOutfit()); // Sweater
+
+
+// A program to move the list by 1 element
+function nextItem(list, item) {
+
+list.push(item);
+list.shift();
+return list;
+}
+list = [2, 3, 4, 5, 6]
+// Expected output = [3, 4, 5, 6, 7]
+console.log("Before - ", JSON.stringify(list));
+console.log(nextItem(list, 7));
+console.log("After - ", JSON.stringify(list));
+
+
+//Working with Boolean
+function welcomeToBoolean() {
+return false;
+}
+if (!welcomeToBoolean()) {
+console.log(welcomeToBoolean());
+}
+
+
+// Equality and Strict-Equality
+console.log(3 == 3);
+console.log(3 === 3);
+console.log(3 == '3');
+console.log(3 === '3'); // Strict equality opertaor
+
+val = 75
+if(val >= 18 && val <=60){
+console.log("You can drive.")
+}
+else console.log("You can't drive.")
+
+/*
+&& - Logical Anb
+|| - Logical OR
+*/
+
+
+
+
+