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javascript
3 years ago
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<script type="text/javascript">
	//we generate a random number from 0 to 100 using Math.floor and Math.random
	var number = Math.floor(Math.random() * 100);
	alert("A random number from 1 to 100 has been generated.");
	//count represents the number of attempts
	var count = 0;
	//flag represents if guess is correct or not
	var flag = 0;
	//we put the process of guessing in a while loop
	//the guess attempt is 5 times
	//we use prompt to take user input
	while(count < 5){
		var guess = prompt("Enter guess # " +(count+1)+ " (0 to 100): ");
		//if guess is null, meaning the prompt was cancelled then we exit the loop and the program
		if(guess == null){
			break;
		}
		//if guess is in between 0 to 100 then proceed to checking the number
		if(guess >= 0 && guess <= 100){
			//we add to number of attempt
			count++;
			//we check if number is equal to guess
			//if it is then we change the flag to 1
			//making the guess correct and break out of the loop using break
			if(guess == number){
				flag = 1;
				break;
			//if not then we check if the guess is lower or higher than the number
			}else if(guess < number){
				alert("That was too low.");
			}else if(guess > number){
				alert("That was too high.");
			}
		//we also check if the number is valid or not
		}else {
			alert("Invalid number. Try again.");
		}
	}
	//if flag equal to 1 then we say congratulations to the user. Otherwise we say goodbye
	if(flag == 1){
		alert("Congratulations! It took you " +count+ " number of attempt/s");
	}else{
		alert("Goodbye.");
	}
</script>