html运行实例（eg_js_number_infinity

代码示例：（标识：eg_js_number_infinity_zero）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数字</h1>

<p>除以 0（零）也会生成 Infinity：</p>

<p id="demo"></p>

<script>
var x = 2/0;
var y = -2/0;
document.getElementById("demo").innerHTML = x + "<br>" + y;
</script>

</body>
</html>