http://stackoverflow.com/questions/18071046/smooth-scroll-to-specific-div-on-click
No-Library (pure JS), HTML, CSS, JavaScript
Toggle class name on click in jQuery
jQuery 3.4.1, HTML, CSS, JavaScript
http://blog.kangrian.com
jQuery 1.11.0, HTML, CSS, JavaScript
jQuery 1.9.1, HTML, CSS, JavaScript
dot navigation, one page, anchors