tiny issue fix.

lib/ui/grid.html

@@ -34,6 +34,7 @@
         }
       };
 
+      // grid.readonly = true;
       grid.allowHtml = true;
       grid.height = 0;
       grid.columns = [
@@ -59,7 +60,16 @@
         },
         { key: 'c3', caption: 'column 3', width: 90 },
         { key: 'c4', caption: 'Note', type: Grid.ColumnTypes.Input },
-        { key: 'c5', type: Grid.ColumnTypes.Icon, text: 'times', tooltip: 'Delete' }
+        {
+          key: 'c5',
+          type: Grid.ColumnTypes.Icon,
+          enabled: 'enabled',
+          text: 'times',
+          tooltip: 'Delete',
+          events: {
+            onclick() { console.log('deleted', this) }
+          }
+        }
       ];
       grid.columnChanged = (type, index, value) => console.log(`column (${index}), ${type}, ${value}`);
       grid.cellClicked = (rId, cId) => console.log(`row (${rId}), column (${cId}) clicked.`);
@@ -80,7 +90,7 @@
   </script>
   <style type="text/css">
     #grid-sample {
-      height: 400px;
+      /* height: 400px; */
     }
 
     #grid-sample>.grid {