Megamenu Scroll to section with margin top ( avoid overlapping with Sticky Navigation )

//scroll to section with "data-anchor" 
var $ = jQuery.noConflict();
 $(' ul.mega-sub-menu li a.mega-menu-link').click(function(event){
event.preventDefault();
var url=$(this).attr('href');
var i=  url.split('#')[1];
 if($('[data-anchor="#'+i+'"]').length){     //*****using data-anchor******
 jQuery('html, body').animate({
        scrollTop: jQuery( '#'+i ).offset().top- 180
    }, 500);
}else{
window.location= url;
}
});

//******************************************************************************************
//scroll to section "id" without "data-anchor"

var $ = jQuery.noConflict();
$(' ul.mega-sub-menu li a.mega-menu-link').click(function(event){
event.preventDefault();
var url=$(this).attr('href');
var i=  url.split('#')[1];
 if($('#'+i).length){
 jQuery('html, body').animate({
        scrollTop: jQuery( '#'+i ).offset().top-180
    }, 500);
}else{
window.location= url;
}
});