javascript数组长度无法在网页中访问

Question

我在外部文件中有一个 JavaScript 数组:

<script src="assets/players.js"></script>

contents of above array:

window.players = [
"Addison, Jackson",
"Agron, Dmitry",
"Zuccarino, John"
]

我尝试返回记录数但无济于事:

<h3>Sample data file with <script>window.players.length;</script> names:</h3>

我做错了什么......？

Answer 1

如果你想写出长度，那么你需要使用 document.write

<h3>Sample data file with <script>document.write(window.players.length)</script> names:</h3>

或者您可以使用 DOM 方法。

<h3>Sample data file with <span id="count"></span> names:</h3>
<script>
    document.querySelector("#count").innerHTML = window.players.length;
</script>