Could you demonstrate how to code a function in JavaScript that finds the immediate left sibling of a given DOM element?

Hard Difficulty

Hard questions require advanced understanding and critical thinking. Here, your problem-solving skills are key, as these questions often involve complex scenarios needing in-depth analysis and well-structured responses.

Javascript question

JavaScript questions test your proficiency with this versatile programming language. Demonstrate your understanding of language fundamentals, asynchronous programming, frameworks, and how you build dynamic web applications.

Here's a Hint

Consider using the DOM properties like previousElementSibling or parentNode.children to navigate between elements.