How to Async Flatten Array in JavaScript - Code Snippet

// Task: Async Flatten Array
// Language: JavaScript

function asyncFlattenArray() {
    // Implementation for Async Flatten Array
    const result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Flatten Array
    console.log("Done");
}