tabs.printPreview()
打开活动标签页的打印预览。
这是一个返回 Promise
的异步函数。扩展可以通过监听 afterprint 事件来检测打印预览是否已关闭:
js
window.addEventListener("afterprint", resumeFunction, false);
语法
js
let openingPreview = browser.tabs.printPreview()
参数
无。
返回值
一个 Promise
,当预览页面打开时其会被兑现且不带有参数。
示例
在这个示例中,后台脚本监听浏览器操作按钮点击事件,然后为当前活动标签页打开打印预览:
js
browser.browserAction.onClicked.addListener(() => {
browser.tabs.printPreview().then(() => {
console.log("进入打印预览");
});
});
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | ||||||
---|---|---|---|---|---|---|---|
printPreview |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.