JSFiddle - React, Tailwind, and code Playground

by Ian Roberts

HTML

<div id="top"></div>
<a href="#spaceone" >spaceone</a>
<a href="#spacetwo" >spacetwo</a>
<a href="#spacethr" >spacethr</a>
<a href="#spacefou" >spacefou</a>
<a href="#spacefiv" >spacefiv</a>
<div id="spaceone"><a href="#top" >top</a></div>
<div id="spacetwo"><a href="#top" >top</a></div>
<div id="spacethr"><a href="#top" >top</a></div>
<div id="spacefou"><a href="#top" >top</a></div>
<div id="spacefiv"><a href="#top" >top</a></div>

CSS

#spaceone, #spacetwo, #spacethr, #spacefou, #spacefiv {
    height:400px;
    background:#fad400;
}

JavaScript

//smooth scroll
//via - http://css-tricks.com/snippets/jquery/smooth-scrolling/

//smooth scroll doesn't work in mobile safari or chrome
$('a[href*=#]:not([href=#])').click(function() {
    if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') 
        || location.hostname == this.hostname) {

        var target = $(this.hash);
        target = target.length ? target : $('[name=' + this.hash.slice(1) +']');
           if (target.length) {
             $('html,body').animate({
                 scrollTop: target.offset().top
            }, 500);
            return false;
        }
    }
});

//same story here
/*
$(document).ready(function() {
  function filterPath(string) {
  return string
    .replace(/^\//,'')
    .replace(/(index|default).[a-zA-Z]{3,4}$/,'')
    .replace(/\/$/,'');
  }
  var locationPath = filterPath(location.pathname);
  var scrollElem = scrollableElement('html', 'body');
 
  $('a[href*=#]').each(function() {
    var thisPath = filterPath(this.pathname) || locationPath;
    if (  locationPath == thisPath
    && (location.hostname == this.hostname || !this.hostname)
    && this.hash.replace(/#/,'') ) {
      var $target = $(this.hash), target = this.hash;
      if (target) {
        var targetOffset = $target.offset().top;
        $(this).click(function(event) {
          event.preventDefault();
          $(scrollElem).animate({scrollTop: targetOffset}, 400, function() {
            location.hash = target;
          });
        });
      }
    }
  });
 
  // use the first element that is "scrollable"
  function scrollableElement(els) {
    for (var i = 0, argLength = arguments.length; i <argLength; i++) {
      var el = arguments[i],
          $scrollElement = $(el);
      if ($scrollElement.scrollTop()> 0) {
        return el;
      } else {
        $scrollElement.scrollTop(1);
        var isScrollable = $scrollElement.scrollTop()> 0;
        $scrollElement.scrollTop(0);
        if (isScrollable) {
          return el;
    ...