dontpaniclabsgists

let numbers: number[] = [85, 90, 78, 92, 88]; 
let total = 0; 
let count = numbers.length; 

numbers.forEach((number) => { 
 total += number; 
});

let average = total / count; 
console.log("Average:", average); //Output is 86.6

dontpaniclabsgists

let numbers: number[] = [85, 90, 78, 92, 88]; 
let total = 0; 
let count = numbers.length; 

for (let i = 0; i < count; i++) { 
 total += numbers[i]; 
} 

let average = total / count; 
console.log("Average:", average); //Output is 86.6

dontpaniclabsgists

let numbers: number[] = [85, 90, 78, 92, 88]; 
let total = 0; 
let count = numbers.length; 
let i = 0;

do { 
 total += numbers[i]; 
 i++;
} while (i < count); 

dontpaniclabsgists

let numbers: number[] = [85, 90, 78, 92, 88]; 
let total = 0; 
let count = numbers.length; 
let i = 0;

while (i < count) { 
 total += numbers[i]; 
 i++;
} 

dontpaniclabsgists

let scores: numbers[] = [55, 82, 21];

dontpaniclabsgists

let sports: string[] = ['Volleyball', 'Football', 'Basketball', 'Soccer']; 
sports[1] = 'Tennis'; 
// Replaces 'Football' with 'Tennis' 

console.log(sports); 
// Output: ['Volleyball', 'Tennis', 'Basketball', 'Soccer']

dontpaniclabsgists

let sports: string[] = ['Volleyball', 'Football', 'Basketball', 'Soccer'];

dontpaniclabsgists

let notification: NotificationSender;

notification = new EmailSender("Project Update", "[email protected]");
notification.send(); // Output: Sending email: 'Project Update' to [email protected]

notification = new SMSSender("Meeting at 3 PM", "123456789");
notification.send(); // Output: Sending SMS: 'Meeting at 3 PM' to 123456789

dontpaniclabsgists

class SMSSender extends NotificationSender {
  send(): void {
    console.log(`Sending SMS: '${this.message}' to ${this.recipient}`);
  }
}

class EmailSender extends NotificationSender {
  send(): void {
    console.log(`Sending email: '${this.message}' to ${this.recipient}`);
  }

dontpaniclabsgists

class EmailSender extends NotificationSender {
  sendEmail(): void {
    console.log(`Sending email: '${this.message}' to ${this.recipient}`);
  }
}