PushMessageData.json() - Web API 接口参考 编辑

这是一个实验中的功能
此功能某些浏览器尚在开发中，请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订，所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

PushMessageData 接口的 json()方法将推送消息数据提取为 一个 JSON 对象。

Syntax

let massage_Json = PushEvent.data.json();

Parameters

None.

Returns

A JSON object.

Examples

self.addEventListener('push', function(event) {
  var jsonObj = event.data.json();

  // do something with your JSON
});

Specifications

Specification	Status	Comment
Push API json()	Working Draft	Initial definition.

Browser Compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	50.0	44.0 (44.0)[1]	未实现	未实现	未实现

Feature	Android	Android Webview	Firefox Mobile (Gecko)	Firefox OS	IE Mobile	Opera Mobile	Safari Mobile	Chrome for Android
Basic support	未实现	未实现	48.0 (48)[2]	未实现	未实现	未实现	未实现	50.0

• [1] Push (and Service Workers) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR.)
• [2] Push has been enabled by default on Firefox for Android version 48.

See also

• Using the Push API