jsfiddle generally used for sharing, saving and embedding HTML, CSS, and JavaScript snippets. jsfiddle allows us to add code snippet within our web pages and we can able to customize look and feel of code snippet like changing the visual theme, font color, code background, menu background. jsfiddle will show JavaScript, HTML, CSS and Result tabs by default we can some of its tab if their no use of it by check and uncheck the checkbox follow with tab name. For example, if you are making code snippet in which we have only used HTML and CSS section and not done any JavaScript work in that case there is no need of display JavaScript tab with your web page.