Question: How to continuously prompt user when age is invalid (below 0 above 200, or not-a-number)?       var userAge = prompt("Please enter your age"); while (isNaN(userAge)){     alert("That's not a number, please retry.");...
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The while loop  Test the condition and if it is true, then execute the code  The do..while loop  Execute first time. Then test and execute.  So the difference between while and do..while is , programmatically In while, one test is carried out more th...
A simple straight forward game user enters 6 numbers and clicks button play, if all 6 numbers are matched they win lottery, I have set up the loop so that it keeps generating a random numbers until the user wins, then informs them the number of loops...
So i have this code that i want to be able to limit what can be said in a prompt box using javascript. I am using a do and while statement to push out a prompt loop until the prompt meets the requirement, i am only allowed to use javascript. I want t...
function reachOne(integer) {       //deal with errors in input       var array = [];       //initialize multiply by putting it equal to 1       var multiply = 1;       var count = 0;        if (integer < 0) {           document.write('Do it...
I've been trying to fix this loop, but apparently it doesn't recognize when the input is right. Am I using the right kind of loop here?  var userChoice = prompt("Do you choose rock, paper or scissors?")  if (userChoice !== "rock&#...
<body>   <form>         <input id="inicio" type="button" value="INICIO"/>      </form>    <script>     document.getElementById("inicio").addEventListener("click", comenzar, false);...
I'm making a simple rock papper scissors game in JS;  I did it according to my task, but I wanted to improove it. I want to forbid user from putting anything but "rock" "papper" or "scissors" into the prompt window. Withou...
I have try to find the solution in stackoverflow to fix my problem but no one of them match with my problem.  my problem is;  I have if statement inside my javascript which inside if statement have a popup. I want my javascript display the popup for...

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