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HTMLIFrameElement：sandbox 属性 - Web API

Baseline Widely available

HTMLIFrameElement 接口的 sandbox 只读属性返回表示对嵌套内容行为的限制的 DOMTokenList。

它表示 <iframe> 元素的 sandbox 属性。

DOMTokenList。每项必须是 <iframe> 元素的 sandbox 属性列出的令牌之一。

<iframe
  id="el"
  title="example"
  src="https://example.com"
  sandbox="allow-same-origin allow-scripts"></iframe>

const el = document.getElementById("el");
console.log(Array.from(el.sandbox)); // 输出：["allow-same-origin", "allow-scripts"]

el.sandbox = "";
console.log(Array.from(el.sandbox)); // 输出：[]

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