内容表

• Type
• 浏览器兼容性

extensionTypes.RunAt

The soonest that the JavaScript or CSS will be injected into the tab.

类型

Values of this type are strings. Possible values are: "document_start" , "document_end" , "document_idle" .

• "document_start" : corresponds to loading . The DOM is still loading.
• "document_end" : corresponds to interactive . The DOM has finished loading, but resources such as scripts and images may still be loading.
• "document_idle" : corresponds to complete . The document and all its resources have finished loading.

默认值为 "document_idle" .

浏览器兼容性

BCD tables only load in the browser

注意： This API is based on Chromium's chrome.extensionTypes API. This documentation is derived from extension_types.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

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最后修改： Oct 26, 2021 , 由 MDN 贡献者

相关话题

1. 浏览器扩展名
2. 快速入门

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   2. Your first extension
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   4. Anatomy of an extension
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