One Page Scroll

//One Page Script//
$(document).ready(function(){
 // Add smooth scrolling to all links
 $("a").on('click', function(event) {
   // Make sure this.hash has a value before overriding default behavior
   if (this.hash !== "") {
     // Prevent default anchor click behavior
     event.preventDefault();
     // Store hash
     var hash = this.hash;
     // Using jQuery's animate() method to add smooth page scroll
     // The optional number (800) specifies the number of milliseconds it takes to scroll to the specified area
     $('html, body').animate({
       scrollTop: $(hash).offset().top - 9
     }, 800, function(){
  
       // Add hash (#) to URL when done scrolling (default click behavior)
       window.location.hash = hash;
     });
   } // End if
 });
});