支付页按钮闪烁

app/design/frontend/Joshine/breeze/Magento_Checkout/templates/onepage.phtml

@@ -496,6 +496,7 @@
             padding: 5px 20px;
         }
         .button-fix {
+            width:100%!important;
             position: fixed;
             bottom: 0;
             left: 0;
@@ -818,15 +819,15 @@ script;
         else {
             $(window).scroll(function () {
                 if(!$('#checkout-step-shipping').is(":visible")) {
-                    var scrollTop = $(document).scrollTop() - 120;
-                    var wh = $(document.body).height();
-                    var offsetTop = $('#checkout_place_order').offset().top;
-                    if (wh - offsetTop <= scrollTop) {
-                        //
-                        $('#checkout_place_order').removeClass('button-fix');
-                    } else {
-                        $('#checkout_place_order').addClass('button-fix');
-                    }
+                    $(window).scroll(function () {
+                        var positionUl = $('#checkout_place_order')
+                        if (window.outerHeight + $(document).scrollTop() < $(positionUl).offset().top + 50) {
+                            $('#place-order').addClass("button-fix");
+                        } else {
+                            $('#place-order').removeClass("button-fix");
+
+                        }
+                    });
                 }
             });