What would I call this element? [closed]

1. What is closures in JavaScript?
2. What are the different types of HTML elements?
3. When to use closures in JavaScript?
4. How do you know if an element is hidden?

What is closures in JavaScript?

A closure is the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment). In other words, a closure gives you access to an outer function's scope from an inner function.

What are the different types of HTML elements?

There are three kinds of HTML elements: normal elements, raw text elements, and void elements.

When to use closures in JavaScript?

You have a closure when a function reads or modifies the value of a variable defined outside its context. You use the value of the variable value that was defined outside of the function itself.

How do you know if an element is hidden?

In JavaScript, the quickest way to check if an element is hidden or visible in DOM is to use the getComputedStyle() method. This method returns the actual values of CSS properties used to render an HTML element in DOM. An HTML element can be hidden due to either display:none or visibility:hidden CSS properties.