本文整理匯總了TypeScript中perf_hooks.performance.mark方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript performance.mark方法的具體用法？TypeScript performance.mark怎麽用？TypeScript performance.mark使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類perf_hooks.performance的用法示例。
在下文中一共展示了performance.mark方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: PerformanceObserver
import { performance, monitorEventLoopDelay, PerformanceObserverCallback, PerformanceObserver } from 'perf_hooks';
performance.mark('start');
(
() => {}
)();
performance.mark('end');
const { duration } = performance.getEntriesByName('discover')[0];
const timeOrigin = performance.timeOrigin;
const performanceObserverCallback: PerformanceObserverCallback = (list, obs) => {
const {
duration,
entryType,
name,
startTime,
} = list.getEntries()[0];
obs.disconnect();
performance.clearFunctions();
};
const obs = new PerformanceObserver(performanceObserverCallback);
obs.observe({
entryTypes: ['function'],
buffered: true,
});
const monitor = monitorEventLoopDelay({
resolution: 42,
});