<html>
<body>
<h2>JavaScript 数字</h2>
<p>如果您计算的数超出最大可能数,则返回无穷大:</p>
<p id="demo"></p>
<script>
var myNumber = 2;
var txt = "";
while (myNumber != Infinity) {
myNumber = myNumber * myNumber;
txt = txt + myNumber + "<br>";
}
document.getElementById("demo").innerHTML = txt;
</script>
</body>
</html>