Eh

js/y2k-alert.js

@@ -10,7 +10,9 @@
             this.title = title || "Alert";
             this.type = type || Y2K.TYPE_INFO;
             this.message = message || "";
-            this.options = options || {};
+            this.options = Object.assign({
+                closeOnBackdropClick: false
+            }, options || {});
             this.isVisible = false;
             this.inputElement = null;
             this.overlayElement = null;
@@ -101,6 +103,16 @@
                 self.submit();
             });
 
+            this.overlayElement.addEventListener("click", function (event) {
+                if (!self.options.closeOnBackdropClick) {
+                    return;
+                }
+
+                if (event.target === self.overlayElement) {
+                    self.close("backdrop");
+                }
+            });
+
             if (this.inputElement) {
                 this.inputElement.addEventListener("keydown", function (event) {
                     if (event.key === "Enter") {