performanceResourceTiming.toJSON()

版本历史

版本	变更
v19.0.0	This method must be called with the `PerformanceResourceTiming` object as the receiver.
v18.2.0, v16.17.0	新增于: v18.2.0, v16.17.0

返回一个 object，它是 PerformanceResourceTiming 对象的 JSON 表示

【Returns a object that is the JSON representation of the PerformanceResourceTiming object】