keep asking the user for a number until the user enters the number 42 in typescript

To keep asking the user for a number until the user enters the number 42 in TypeScript, you can use a while loop and a conditional statement. First, you will prompt the user to enter a number and assign it to a variable. Then, you will use a while loop to keep prompting the user until they enter the number 42. Inside the while loop, you will use a conditional statement to check if the user input is equal to 42. If it is, you will break out of the loop. If it is not, you will continue to prompt the user for a number. Here is the code:

index.ts
let userInput: number;

while (true) {
  userInput = parseInt(prompt("Enter a number: "));
  if (userInput === 42) {
    break;
  }
}

console.log("You entered the number 42!");
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In this code, we first declare a variable userInput which will hold the user's input.

We then use a while loop that always evaluates to true, so it will keep looping until we explicitly break out of it.

Inside the loop, we use parseInt to convert the user's input (which is initially a string) to a number. We then check if userInput is equal to 42 using a conditional statement (if statement). If it is, we break out of the loop using the break statement.

If the user enters any number other than 42, the loop continues and the prompt shows up again, asking the user to enter another number.

Once the user enters 42, the loop breaks and we print out a message to indicate that they have entered the number 42.