AJAX POST FEED

<?php
	
	
function ajax_postcall() {
	
    $call_args = array(
        'post_type'        => 'post',
        'posts_per_page'   => -1,
        'cat'              => $category_id,
        'order'            => 'DESC'
    );
 
    $args['tax_query'] = array(
        array(
            'taxonomy' => 'project_categories',
            'field'    => 'term_taxonomy_id',
            'terms'    => $this_cat,
        ),
    );
	
	$html = "";
	
	if ( $custom_query->have_posts() ) { while ( $custom_query->have_posts() ) { $custom_query->the_post(); 
		$count              = 0;
		$post_id            = get_the_ID();
	    $post_title         = get_the_title();
	    $post_link          = get_permalink($this_post_id);
	    $featured_image     = wp_get_attachment_image_src( get_post_thumbnail_id($post_id), 'full')[0];
	    
		$html .= "<div class='single_XXXX flex'>";
		$html .= "	<a href='{$post_link}' class='featured_wrap block'><div class='featured_image backg after_landscape' style='background-image: url({$featured_image})'></div></a>";
		$html .= "	<div class='text_details_wrap'>";
		$html .= "		<a href='{$post_link}' class='post_title block'>{$post_title}</a>";
		$html .= "		<div class='post_excerpt'></div>";
		$html .= "		<a href='{$post_link}' class='post_button_wrap block'><button></button></a>";
		$html .= "	</div>";	
		$html .= "</div>";
		
	    $count++;
	}}
	
	
	$result['status']      = 'working';
	$result['html']        = $html;
	
	$result = json_encode($result);
				
	echo $result;
	
	die;
}

add_action("wp_ajax_ajax_postcall", "ajax_postcall");
add_action( 'wp_ajax_nopriv_ajax_postcall', 'ajax_postcall' );

    <script>
        jQuery(document).ready(function($) {

			$( ".single_term" ).click(function() { //2AM ON AND OFF
		
				var attribute_id        = $(this).attr("data-attribute-id");
			    var what                =  $(this);
			    var what_class          = "filter_active";
				var has_class       = false;
				if ($(what).hasClass( what_class )) { has_class   = true; }
				
				if (has_class == false) {
				  $(what).addClass(what_class);
				}else{
				  $(what).removeClass(what_class);
				}
				
				ajax_postcall();
			});  
			
			
			function ajax_postcall() {
				
				$('#postsfeed_content_wrap_1').html("<div class='loading_text blink'>LOADING</div>");
				
			    if (window.FormData) {
			        formdata = new FormData();
			        //formdata.append("something", something);
			        formdata.append("action", "ajax_postcall"); 
			    }
			     
			    if (formdata) {
			        $.ajax({
			            url: '/wp-admin/admin-ajax.php',
			            type: "POST",
			            data: formdata,
			            processData: false,
			            contentType: false,
			            success: function (res) {
			             
			                response = JSON.parse(res);
			             
			 
			                //alert(response.status);
			                //alert(response.amount);
			                //$('.result_wrap').css('display','inline-block');
			                //$(result_id).html(response.amount);
			                $('#postsfeed_content_wrap_1').html(response.html);
			                 
			             
			            }
			        });
			    }
			}
			
			ajax_postcall();
			
		
		});		
    </script>