Some characters (e.g. the less than and greater than signs) are reserved for HTML markup. In order to display these characters as text, you must enter the HTML entities in the source code. (tags: webdesign html symbol)
D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS. D3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization components and a data-driven approach to DOM manipulation.