index.js

 if (window.location.href==="https://shailendra.dev") {
    window.location.href = "https://shailendrabhargava93.github.io/"; 
  }
$(document).ready(function(){
    
    $(window).scroll(function(){ 
        if ($(this).scrollTop() > 200) { 
            $('#scroll').fadeIn(); 
        } else { 
            $('#scroll').fadeOut(); 
        } 
    });

    $('#scroll').click(function(){ 
        $("html, body").animate({ scrollTop: 0 }, 600); 
        return false; 
    }); 
    
    $('.scroll-down').click(function(){ 
        $("html, body").animate({ scrollTop: '650px' }, 600);
    });
    
    $('#tmIcn').click(function(){ 
        document.body.classList.toggle('dark-theme');
	var icon = document.getElementById('tmIcn');
	if(document.body.classList.contains('dark-theme'))
		icon.firstElementChild.className = "fa fa-sun-o";
	else
		icon.firstElementChild.className = "fa fa-moon-o";
		
    });
    
});