essentials.code42.com Technology Profile

JQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery is designed to change the way that you write JavaScript.

JavaScript Library

Document Encoding

Global Trends

UTF-8

UTF-8 Usage Statistics · Download List of All Websites using UTF-8

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

Document Standards

Global Trends

HTML5 DocType

HTML5 DocType Usage Statistics · Download List of All Websites using HTML5 DocType

The DOCTYPE is a required preamble for HTML5 websites.

Javascript Defer

Javascript Defer Usage Statistics · Download List of All Websites using Javascript Defer

The defer attribute gives a hint to the browser that the script does not create any content so the browser can optionally defer interpreting the script. This can improve performance by delaying execution of scripts until after the body content is parsed and rendered.