A wrapper is a programming language function for encapsulating and organizing elements within a well-defined interface.

Web developers typically create wrappers in HTML (Hypertext Markup Language) and style them in CSS (Cascading Style Sheets). However, building wrapper classes in object-oriented programming languages like JavaScript is also possible.

Wrappers also enable interoperability between different software systems. Enclosing functions and codes of other computer languages allows a primary program to send commands to and receive outputs from the wrapped program, fostering seamless communication.

Wrappers are also valuable for web development. They give structure and consistency to a website by grouping similar elements together, facilitating collective styling and responsive web design. Without wrappers, developers would have to repeatedly modify code to prevent errors and inconsistencies.

Visit Webflow University to learn about HTML and CSS and how to create responsive websites for any device.

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