Implement the scenario utility: Custom getElementsByClassName traverse. Discuss edge cases, runtime performance, and alternative paradigms.
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Example usage
function customGetElementsByClassName(node, className, results = []) {
if (node.classList && node.classList.contains(className)) {
results.push(node);
}
for (const child of node.children || []) {
customGetElementsByClassName(child, className, results);
}
return results;
}
// Example placeholder
// console.log(customGetElementsByClassName(document.body, 'button'));05
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