Have you ever wanted to understand the performance of your asynchronous javascript code? If you have had to do it, it is quite likely that you used and . This will only give you basic logs. console.time('event') console.timeEnd('event') if there is a library that does the same thing and gives you: some ArtChar timelines, elapsed percentage of events, and overlapping events? And all without writing any additional line of code. What about Installation: npm install js-awe You can use it with require, import, and in the browser. for further installations follow: https://www.npmjs.com/package/js-awe Basic Example: import { Chrono } from 'js-awe' let chrono = Chrono() chrono.time('step1') chrono.timeEnd('step1') chrono.report() The Example Shown in the Cover Picture: We are doing the same thing as before. The complex part is for demonstration to generate asynchronous tasks so you can see the potential of the library. import { Chrono, sleepWithFunction } from 'js-awe' let chrono = Chrono() chrono.time('step1') tasks().then(()=>{ chrono.timeEnd('step1') chrono.report() }) async function tasks() { await sleepWithFunction( 650, () => { chrono.timeEnd('step1') } ) await sleepWithFunction( 20, () => { chrono.time('step2') } ) await sleepWithFunction( 12, () => { chrono.time('step3') } ) await sleepWithFunction( 500, () => { chrono.timeEnd('step3') } ), await sleepWithFunction( 100, () => { chrono.timeEnd('step2') } ), await sleepWithFunction( 15, () => { chrono.time('step1') } ) }