ECMAScript Cookbook

How to do it...

1. Open your command-line application and navigate to your workspace.
2. Create a new folder named 4-07- async-errors-try-catch.
3. Copy or create an index.html that loads and runs a main function from main.js.
4. Create an async function, addBoosters, that throws some error:

async function addBoosters() { 
  throw new Error('Unable to add Boosters'); 
} 

5. Create an async function, performGuidanceDiagnostic, that also throws an error:

async function performGuidanceDiagnostic (rocket) { 
  throw new Error('Unable to finish guidance diagnostic')); 
} 

6. Create an async as the main function that calls addBosters and performGuidanceDiagnostic and handles the error:

 export async function main() { console.log('Before Check'); try { await addBosters(); ...