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document.querySelector("selector name") & document.querySelectorAll("selector name");

--> So this method is used in cases when you want to select the 1st elements our of many or if you want to select a particular element or a uinque element Note when we are using queryselector and we ...
note

[JavaScript] Basic Strategy for DOM Manipulation: Element Retrieval and Manipulation with querySelector

The complete source code, a demonstration of the server monitoring dashboard implementation, and detailed explanations are available in the following blog post. [JavaScript] Basic Strategy for DOM ...

[HTML and CSS] My first JavaScript made the hamburger menu work

Hello, I'm Ai. I'm currently studying HTML and CSS while building my portfolio site.This past week, I've been adjusting the layout for mobile devices. The menu that was lined up horizontally on a ...