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<h1>The Backpack.js file from Challenge: Build an Advanced Function</h1>
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</div>
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<pre class="codesample">
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// Set up the Backpack class
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class Backpack {
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constructor(
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id,
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name,
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volume,
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color,
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pocketNum,
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strapLengthL,
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strapLengthR,
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lidOpen,
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dateAcquired,
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image
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) {
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this.id = id;
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this.name = name;
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this.volume = volume;
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this.color = color;
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this.pocketNum = pocketNum;
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this.strapLength = {
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left: strapLengthL,
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right: strapLengthR,
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};
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this.lidOpen = lidOpen;
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this.dateAcquired = dateAcquired;
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this.image = image;
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}
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toggleLid(lidStatus) {
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this.lidOpen = lidStatus;
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}
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newStrapLength(lengthLeft, lengthRight) {
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this.strapLength.left = lengthLeft;
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this.strapLength.right = lengthRight;
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}
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backpackAge() {
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let now = new Date();
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let acquired = new Date(this.dateAcquired);
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let elapsed = now - acquired; // elapsed time in milliseconds
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let daysSinceAcquired = Math.floor(elapsed / (1000 * 3600 * 24));
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return daysSinceAcquired;
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}
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}
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// Export the Backpack class to be used by other files
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export default Backpack;
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</pre>
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