The while loop loops through a block of code as long as a specified condition is true.
while (condition)
{
// code block to be executed
}
<!DOCTYPE html>
<html>
<head>
<title>JavaScript</title>
<script>
/*Increase While Loop Condition */
var a = 1;
while (a <= 10) {
document.write(a + ") Hello Yahoo Baba <br>");
a = a + 1;
}
/* Decrease While Loop Condition */
var x = 10;
while (x >= 1) {
document.write(x + ") Hello Yahoo Baba <br>");
x = x - 1;
}
</script>
</head>
<body>
</body>
</html>