1. What is ternary ?

   condition ? true : false

   Example

   const age = 14;
   const result = age >= 18 ? "You can Drive" : "You cannot drive";
   console.log(result);
   

Tasks -

• Check if a number is positive or negative.
• Check if a number is odd or even.
• Check if a user has a premium account or not (isPremium = true/false).
• Return "Pass" if score ≥ 40, otherwise "Fail".
• Check if a string is empty or not.
• Set a discount based on price (price > 1000 ? 10% discount : 5% discount).
• Return "Adult" if age ≥ 18, "Minor" otherwise.
• Show “In Stock” or “Out of Stock” based on quantity.
• Return "Login Successful" if username and password match, else "Access Denied".

Nested Ternary

condition1 ? true1 : condition2 ? true2 : false
const grade = marks >= 90 ? 'A+' : marks >= 80 ? 'A' : 'B+';

Task -

• Check if temperature is hot, cold, or normal using nested ternary.

• Return good morning, afternoon or evening according to the time.

• Make the grading system of Nepal with nested ternary.

  • A+: 90-100%

  A: 80 to below 90%

  • A: 80 to below 90%

  B+: 70 to below 80%

  • B+: 70 to below 80%

  B: 60 to below 70%

  • B: 60 to below 70%

  C+: 50 to below 60%

  • C+: 50 to below 60%

  C: 40 to below 50%

  • C: 40 to below 50%

  D: 35 to below 40% (Passing grade)

  • D: 35 to below 40% (Passing grade)

  NG (Non-Graded): Below 35%

  • NG (Non-Graded): Below 35%