app.js

@@ -1,6 +1,7 @@
-function display(char1, char2, char3, char4, ...others) {
-    console.log(others);
-    console.log(char1, char2, char3, char4);
+function introduction(name, profession) {
+    console.log('My name is ' + name + ' and I am a ' + profession + '.');
+    console.log(this);
 }
-let letters = 'abcdefgh';
-display(...letters);
+introduction('John', 'student');
+introduction.apply(undefined, ['Mary', 'Lawyer']);
+introduction.call(undefined, 'James', 'artiest');