jdorn-jsoneditor-0.7.25_2.patch

--- jdorn-jsoneditor.js	2017-02-21 14:10:52.000000000 +0530
+++ jdorn-jsoneditor.js	2017-02-21 14:10:09.000000000 +0530
@@ -230,6 +230,7 @@
   this.element = element;
   this.options = options;
   clickAddItem = false;
+  hideErrorContainer = true;
   this.init();
 };
 JSONEditor.prototype = {
@@ -488,14 +489,18 @@
 
       // Validate and cache results
       self.validation_results = self.validator.validate(self.root.getValue());
+      if(hideErrorContainer){
+        if(self.options.show_errors !== "never") {
+             self.root.showValidationErrors(self.validation_results);
+        }
+        else {
+         self.root.showValidationErrors([]);
+        }
 
-      if(self.options.show_errors !== "never") {
-        self.root.showValidationErrors(self.validation_results);
-      }
-      else {
-        self.root.showValidationErrors([]);
+      }else{
+        hideErrorContainer = true;
       }
-
+      
       // Fire change event
       self.trigger('change');
     });
@@ -1811,7 +1816,7 @@
     if(type && Array.isArray(type)) type = type[0];
 
     if(typeof type === "string") {
-      if(type === "number") return 0.0;
+      if(type === "number") return null;
       if(type === "boolean") return false;
       if(type === "integer") return 0;
       if(type === "string") return "";
@@ -1957,7 +1962,9 @@
 
     // Sanitize value before setting it
     var sanitized = this.sanitize(value);
-
+    if(value == 'null' || value == null){
+        sanitized = null;
+    }
     if(this.input.value === sanitized) {
       return;
     }
@@ -2150,10 +2157,21 @@
           return;
         }
 
-        var val = this.value;
+        if(self.schema.type ===  'number' && this.value == ""){
+        var val = this.value;               hideErrorContainer = false;
+        }
+        if(this.value == ""){
+            var val = null;
+        }else{
+            var val = this.value;
+        }
+        //var val = this.value;
 
         // sanitize value
         var sanitized = self.sanitize(val);
+        if(val == null){
+            sanitized = null;
+        }
         if(val !== sanitized) {
           this.value = sanitized;
         }
@@ -2416,7 +2434,15 @@
     return 2;
   },
   getValue: function() {
-    return this.value*1;
+    if(this.schema.type === 'number'){
+        if(this.value == '' || this.value == null || this.value == 'null'){
+            return null;
+        }else{
+            return this.value*1;
+        }
+    }else{
+        return this.value*1;
+    }
   }
 });