The Backpack.js file from Challenge: Build an Advanced Function

	// Set up the Backpack class
	class Backpack {
	  constructor(
		id,
		name,
		volume,
		color,
		pocketNum,
		strapLengthL,
		strapLengthR,
		lidOpen,
		dateAcquired,
		image
	  ) {
		this.id = id;
		this.name = name;
		this.volume = volume;
		this.color = color;
		this.pocketNum = pocketNum;
		this.strapLength = {
		  left: strapLengthL,
		  right: strapLengthR,
		};
		this.lidOpen = lidOpen;
		this.dateAcquired = dateAcquired;
		this.image = image;
	  }
	  toggleLid(lidStatus) {
		this.lidOpen = lidStatus;
	  }
	  newStrapLength(lengthLeft, lengthRight) {
		this.strapLength.left = lengthLeft;
		this.strapLength.right = lengthRight;
	  }
	  backpackAge() {
		let now = new Date();
		let acquired = new Date(this.dateAcquired);
		let elapsed = now - acquired; // elapsed time in milliseconds
		let daysSinceAcquired = Math.floor(elapsed / (1000 * 3600 * 24));
		return daysSinceAcquired;
	  }
	}

	// Export the Backpack class to be used by other files
	export default Backpack;