How to send Ajax Call from frontend without using wp_localize_script in Theme

jQuery.ajax({
                    url : postlove.ajax_url,
                    type : 'post',
                    data : {
                        action : 'post_love_add_love',
                        unit_id : unit,
                        user_counter : new_counter,
                        user : user,

                    },
                    success : function( response ) {
                        //jQuery('#love-count').html( response );
                        console.log(response);
                    }
                });

This Works for me. Thanks

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