Document：scripts 属性

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Document 接口的 scripts 属性返回文档中 <script> 元素的列表。返回的对象是 HTMLCollection。

HTMLCollection。你可以像使用数组一样使用它来获取列表中的所有元素。

此示例将查询页面是否有任何 <script> 元素。

let scripts = document.scripts;

if (scripts.length) {
  alert("此页面包含脚本！");
}

Specification
HTML Standard # dom-document-scripts-dev

BCD tables only load in the browser