document.getElementbyId( "myId") Vs. $("#myId)

Using document.getElementById("myId") is faster because it directly interfaces with the JavaScript engine to retrieve an element by its ID, resulting in efficient execution. In contrast, jQuery, denoted by $, acts as a wrapper that standardizes DOM manipulation, ensuring cross-browser compatibility. However, the $ function constructs a jQuery object, necessitating the parsing of selectors, which introduces a slight performance overhead. While jQuery offers extensive capabilities, its object creation is not as streamlined as directly accessing elements through document.getElementById, which, specifically designed for ID-based element retrieval, remains a faster choice for this purpose.

document.getElementById("myId")

document.getElementById("myId") yields a native DOM object, offering direct access to the targeted element by its ID. This approach prioritizes efficiency, minimizing the performance overhead associated with jQuery. In contrast, $("#myId") returns a jQuery object, enabling the utilization of jQuery's comprehensive suite of DOM manipulation methods. While jQuery introduces some additional processing, making pure JavaScript DOM access potentially faster for straightforward tasks, it is crucial to recognize that proficiency and optimization in coding play a key role, as ill-considered implementations in either approach can impact performance negatively.