jQuery :lang() selector

The :lang() selector in jQuery is used to select elements based on the language specified in their lang attribute. It allows you to target elements that are associated with a particular language or set of languages. This selector is primarily used for internationalization and localization purposes to apply different styles or behavior to elements in different languages.

Here’s the basic syntax of the :lang() selector in jQuery:

$(":lang(language)")

• language: The language code or codes you want to select. This can be a specific language code (e.g., “en” for English) or a language subtag (e.g., “fr-CA” for Canadian French).

For example, suppose you have the following HTML with elements tagged with different language attributes:

<p lang="en">This is an English paragraph.</p>
<p lang="fr">Ceci est un paragraphe en français.</p>
<p lang="es">Este es un párrafo en español.</p>

You can use the :lang() selector to target elements based on their language like this:

$("p:lang(en)").css("color", "blue"); // Selects English paragraphs
$("p:lang(fr)").css("color", "red");  // Selects French paragraphs

In this example, we select paragraphs with the lang attribute set to “en” and set their text color to blue, and paragraphs with the lang attribute set to “fr” and set their text color to red.

It’s important to note that not all browsers fully support the :lang() selector, and its usage can be limited, especially for complex language selectors or older browser versions. However, it can be a useful tool for styling or manipulating content based on language in internationalized web applications.