reloading page in asp.net

Question

my page is reloading

 

 

$(document).ready(function () {
$(window).load(function () {
if (localStorage.getItem('username') != null ) {
window.location.replace("/onlineexamsworld/users?email=" + localStorage.getItem("username") + "");
}
else {

window.location.replace("Login.aspx");

return '';
}
});

});