diff --git a/jquery.smoothscroll.js b/jquery.smoothscroll.js
index c926b25..ad4a3bb 100644
--- a/jquery.smoothscroll.js
+++ b/jquery.smoothscroll.js
@@ -1,4 +1,5 @@
-/*
+/**
+ * @preserve
  * jquery.smoothscroll.js - jQuery plugin to animate scrolling to anchor links
  * Version 1.0.4 (Aug 19, 2017)
  * Copyright 2017 Kite - https://github.com/ixkaito
@@ -30,7 +31,7 @@
         ) {
           // Figure out element to scroll to
           var hash = this.hash;
-          var $target = $(hash);
+          var $target = hash ? $(hash) : $('html');
           $target = $target.length ? $target : $('[name=' + this.hash.slice(1) + ']');
           // Does a scroll target exist?
           if ($target.length) {
diff --git a/jquery.smoothscroll.min.js b/jquery.smoothscroll.min.js
index 2a721e0..f090d4a 100644
--- a/jquery.smoothscroll.min.js
+++ b/jquery.smoothscroll.min.js
@@ -1,11 +1,8 @@
-/*
+/**
+ * @preserve
  * jquery.smoothscroll.js - jQuery plugin to animate scrolling to anchor links
  * Version 1.0.4 (Aug 19, 2017)
  * Copyright 2017 Kite - https://github.com/ixkaito
  * MIT License
  */
-/* eslint-disable no-var, no-invalid-this */
-(function(a,b){a.fn.smoothscroll=function(d){var e={duration:400,easing:"swing",offset:0,hash:true,focus:true,};var c=a.extend(true,{},e,d);return this.each(function(){a(this).on("click",function(g){if(location.pathname.replace(/^\//,"")==this.pathname.replace(/^\//,"")&&location.hostname==this.hostname){var h=this.hash;
-var f=a(h);f=f.length?f:a("[name="+this.hash.slice(1)+"]");if(f.length){g.preventDefault();a("html, body").stop().animate({scrollTop:f.offset().top+c.offset,},c.duration,c.easing,function(){if(c.hash){if(history.pushState){history.pushState(null,null,h);
-}else{if(0==c.offset){window.location.hash=h;}else{var i=(c.offset>0?"+":"-");window.location.hash=h+"-offset-"+i+Math.abs(c.offset);}}}if(c.focus){f.focus();
-if(f.is(":focus")){return false;}else{f.attr("tabindex","-1");f.focus();}}});}}});});};})(jQuery);
+(function($,undefined){"use strict";$.fn.smoothscroll=function(options){var defaults={duration:400,easing:"swing",offset:0,hash:true,focus:true};var config=$.extend(true,{},defaults,options);return this.each(function(){$(this).on("click",function(event){if(location.pathname.replace(/^\//,"")==this.pathname.replace(/^\//,"")&&location.hostname==this.hostname){var hash=this.hash;var $target=hash?$(hash):$("html");$target=$target.length?$target:$("[name="+this.hash.slice(1)+"]");if($target.length){event.preventDefault();$("html, body").stop().animate({scrollTop:$target.offset().top+config.offset},config.duration,config.easing,function(){if(config.hash){if(history.pushState){history.pushState(null,null,hash)}else if(0==config.offset){window.location.hash=hash}else{var operator=config.offset>0?"+":"-";window.location.hash=hash+"-offset-"+operator+Math.abs(config.offset)}}if(config.focus){$target.focus();if($target.is(":focus")){return false}else{$target.attr("tabindex","-1");$target.focus()}}})}}})})}})(jQuery);
\ No newline at end of file