IFRAME 模式施加的限制比其他沙盒模式少得多,运行速度也最快,但在某些旧版浏览器(包括 Internet Explorer 9)中根本无法运行。通过检查 google.script.sandbox.mode,也可以在客户端脚本中读取沙盒模式。请注意,此属性会返回客户端上的实际模式,如果用户的浏览器不支持服务器上请求的模式,则该模式可能与服务器上请求的模式不同。
<!-- Read the sandbox mode (in a client-side script). -->
<script>
alert(google.script.sandbox.mode);
</script>
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-08-04。"],[[["\u003cp\u003eSandboxMode is used for setting the sandbox environment for client-side HtmlService scripts in Google Apps Script.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eIFRAME\u003c/code\u003e is the only supported SandboxMode; \u003ccode\u003eNATIVE\u003c/code\u003e and \u003ccode\u003eEMULATED\u003c/code\u003e are deprecated and sunset.\u003c/p\u003e\n"],["\u003cp\u003eClient-side code in HTML service runs in a security sandbox with restrictions to protect users.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eIFRAME\u003c/code\u003e mode has fewer restrictions and runs faster but might not work in older browsers like Internet Explorer 9.\u003c/p\u003e\n"],["\u003cp\u003eYou can read the actual sandbox mode on the client-side using \u003ccode\u003egoogle.script.sandbox.mode\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Enum SandboxMode\n\nSandboxMode\n\nAn enum representing the sandbox modes that can be used for client-side [HtmlService](/apps-script/reference/html/html-service)\nscripts. These values can be accessed from [HtmlService.SandboxMode](/apps-script/reference/html/html-service#SandboxMode), and set by calling\n[HtmlOutput.setSandboxMode(mode)](/apps-script/reference/html/html-output#setSandboxMode(SandboxMode)).\n\nTo call an enum, you call its parent class, name, and property. For example, `\nHtmlService.SandboxMode.IFRAME`.\n\nThe `NATIVE` and `EMULATED` modes were [deprecated on October 13, 2015](https://workspace.google.com/blog/product-announcements/google-apps-script-update-htmlservice) and both are now sunset. Only `IFRAME` mode is now\nsupported.\n\nTo protect users from being served malicious HTML or JavaScript, client-side code served from\nHTML service executes in a security sandbox that imposes restrictions on the code. The method\n[HtmlOutput.setSandboxMode(mode)](/apps-script/reference/html/html-output#setSandboxMode(SandboxMode)) previously allowed script authors to choose\nbetween different versions of the sandbox, but now has no effect. For more information, see the\n[guide to restrictions in HTML service](/apps-script/guides/html/restrictions).\n\nThe `IFRAME` mode imposes many fewer restrictions than the other sandbox modes and runs\nfastest, but does not work at all in certain older browsers, including Internet Explorer 9. The\nsandbox mode can also be read in a client-side script by inspecting `google.script.sandbox.mode`. Note that this property returns the actual mode on the client, which\nmay differ from the mode requested on the server if the requested mode is not supported in the\nuser's browser.\n\n```html\n\u003c!-- Read the sandbox mode (in a client-side script). --\u003e\n\u003cscript\u003e\n alert(google.script.sandbox.mode);\n\u003c/script\u003e\n``` \n\n### Properties\n\n| Property | Type | Description |\n|------------|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `EMULATED` | `Enum` | A legacy sandbox mode that emulates ECMAScript 5 strict mode using only the features available in ECMAScript 3. This mode was the default prior to February 2014. `EMULATED` was [sunset as of December 10, 2015](/apps-script/guides/support/sunset). All scripts attempting use `EMULATED` will now use `IFRAME` instead. |\n| `IFRAME` | `Enum` | A sandbox mode that uses iframe sandboxing instead of the Caja sandbox technology used by the `EMULATED` and `NATIVE` modes. This mode is the default for new scripts as of November 12, 2015 and for all scripts as of July 6, 2016. This mode imposes many fewer restrictions than the other sandbox modes and runs fastest, but does not work at all in certain older browsers, including Internet Explorer 9. |\n| `NATIVE` | `Enum` | A sandbox mode that is built on top of ECMAScript 5 strict mode. A sandbox mode built on top of ECMAScript 5 strict mode. This mode was [sunset as of July 6, 2016](/apps-script/guides/support/sunset). All scripts now use `IFRAME` mode. |"]]