代码示例:(标识:eg_js_array_tostring)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数组方法</h1> 

<h2>toString()</h2>

<p>toString() 方法以逗号分隔的字符串返回数组:</p>

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

<script>
var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.getElementById("demo").innerHTML = fruits.toString();
</script>

</body>
</html>
运行结果: