基础 /性能 /Performance /Performance.getEntries /
Array.<PerformanceEntry> Performance.getEntries()
基础库 2.11.0 开始支持，低版本需做兼容处理。
小程序插件：不支持
功能描述
该方法返回当前缓冲区中的所有性能数据
返回值
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