// Serve HTML with no X-Frame-Options header (in Apps Script server-side code).constoutput=HtmlService.createHtmlOutput('<b>Hello, world!</b>');output.setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL);
[[["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)：2025-07-26。"],[[["\u003cp\u003e\u003ccode\u003eXFrameOptionsMode\u003c/code\u003e is used to control how a client-side Apps Script HTML service can be embedded in iframes by other websites.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eALLOWALL\u003c/code\u003e permits any website to embed the page in an iframe while \u003ccode\u003eDEFAULT\u003c/code\u003e preserves the standard security behavior.\u003c/p\u003e\n"],["\u003cp\u003eIf you select \u003ccode\u003eALLOWALL\u003c/code\u003e, ensure to incorporate your own security measures against clickjacking.\u003c/p\u003e\n"],["\u003cp\u003eBy default, if \u003ccode\u003eX-Frame-Options\u003c/code\u003e mode isn't specifically set, Apps Script automatically applies the \u003ccode\u003eDEFAULT\u003c/code\u003e mode.\u003c/p\u003e\n"]]],["`XFrameOptionsMode` is an enum for setting `X-Frame-Options` in client-side HtmlService scripts. Accessed via `HtmlService.XFrameOptionsMode`, it's set using `HtmlOutput.setXFrameOptionsMode(mode)`. `ALLOWALL` removes the `X-Frame-Options` header, enabling any site to iframe the page, necessitating developer-implemented clickjacking protection. `DEFAULT` is the default mode if no mode is specified. The example shows how to set the mode to `ALLOWALL`.\n"],null,["# Enum XFrameOptionsMode\n\nXFrameOptionsMode\n\nAn enum representing the `X-Frame-Options` modes that can be used for client-side [HtmlService](/apps-script/reference/html/html-service) scripts. These values can be accessed from [HtmlService.XFrameOptionsMode](/apps-script/reference/html/html-service#XFrameOptionsMode),\nand set by calling [HtmlOutput.setXFrameOptionsMode(mode)](/apps-script/reference/html/html-output#setXFrameOptionsMode(XFrameOptionsMode)).\n\nTo call an enum, you call its parent class, name, and property. For example, `\nHtmlService.XFrameOptionsMode.ALLOWALL`.\n\nSetting `XFrameOptionsMode.ALLOWALL` will let any site iframe the page, so the developer\nshould implement their own protection against clickjacking.\n\nIf a script does not set an `X-Frame-Options` mode, Apps Script uses `DEFAULT`\nmode as the default.\n\n```javascript\n// Serve HTML with no X-Frame-Options header (in Apps Script server-side code).\nconst output = HtmlService.createHtmlOutput('\u003cb\u003eHello, world!\u003c/b\u003e');\noutput.setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL);\n``` \n\n### Properties\n\n| Property | Type | Description |\n|------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `ALLOWALL` | `Enum` | No `X-Frame-Options` header will be set. This will let any site iframe the page, so the developer should implement their own protection against clickjacking. |\n| `DEFAULT` | `Enum` | Sets the default value for the `X-Frame-Options` header, which preserves normal security assumptions. If a script does not set an `X-Frame-Options` mode, Apps Script uses this mode as the default. |"]]
