arrow func & this keyword

Author: neerajforeal

js_functions/arrowfn.js

@@ -0,0 +1,30 @@
+const user = {
+  username: "henry",
+  price: 999,
+
+  welcomeMessage: function () {
+    console.log(`${this.username}, welcome to our website!`);
+    console.log(this);
+  },
+};
+
+user.welcomeMessage();
+user.username = "sam";
+user.welcomeMessage();
+
+console.log(this); // Empty object in node, Window object in browser
+
+const biscuit = () => {
+  let username = "henry";
+  //console.log(this); // {}
+};
+//biscuit();
+
+// basic Arrow function
+// const addTwo = (num1, num2) => {
+//   return num1 + num2;
+// };
+
+// Implicit return
+const addTwo = (num1, num2) => num1 + num2;
+console.log(addTwo(4, 5)); // 9