eltextContent

eltextContent refers to the text content of an HTML element. In web development, when working with the Document Object Model (DOM), elements are represented as objects. Each element object has properties that allow developers to access and manipulate its content. The `textContent` property specifically provides a way to get or set the text contained within an element, including any descendant text nodes.

When retrieving `textContent`, it returns all the text within an element and its descendants, excluding HTML tags. This means if an element contains other nested elements, their text content will be included in the result. For instance, if you have a `<div>` with the HTML `<div>Hello <b>world</b>!</div>`, accessing its `textContent` would yield "Hello world!".

Conversely, when setting `textContent`, any existing content within the element is replaced by the provided string. It's important to note that `textContent` treats the input as plain text. If the input string contains HTML entities like `&lt;` or `&gt;`, they will be displayed literally rather than being interpreted as HTML tags. This makes `textContent` a safer choice than `innerHTML` when inserting user-provided text, as it prevents cross-site scripting (XSS) vulnerabilities. Developers commonly use `textContent` with JavaScript to dynamically update the text displayed on a webpage without altering the underlying HTML structure.