在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(cainiaoplay.com)</title>
</head>
<body>

<script>
cars=["BMW","Volvo","Saab","Ford"];
var i=0;
while (cars[i]){
	document.write(cars[i] + "<br>");
	i++;
}
</script>

</body>
</html>

源代码

动行结果