Pagination ajax for wordpress

gistfile1.txt

function pagination(url) {
    let html =  jQuery.get(url)
    html.done( (res) => {
      let elements = jQuery(res);
      let found = jQuery('#main', elements);
      let child = found.children();
      jQuery('#main').empty();
      jQuery('#main').append(child)
    });
} 
jQuery("a.page-number").on("click", (event) => {
    event.preventDefault();
    let target = event.target;  
    url = jQuery(target).attr("href");
    pagination(url)
});