简单教程
提交运行
代码编辑器：
<p>点击按钮按升序循环数组</p> <button onclick="myFunction()">点我</button> <p id="demo"></p> <script> function myFunction() { var cars = ["BMW", "Volvo", "Saab", "Ford"]; var text = ""; var i = 0; while (i < cars.length) { text += cars[i] + "<br>"; i++; } document.getElementById("demo").innerHTML = text; } </script>
运行结果：