JSFiddle - React, Tailwind, and code Playground
HTML
<!DOCTYPE html>
<title>lec 5 while total</title>
</head>
<body>
<h3>While Total Example</h3>
</body>
</html>
JavaScript
var total = 0;
for(var i=1; i<=4; i++)
{
total += parseInt(prompt("Enter Number"));
}