updating form elements

source/Ox/js/Collection.js

@@ -643,7 +643,9 @@ Ox.some <f> Tests if one or more elements of a collection satisfy a given condit
     true
 @*/
 Ox.some = function(obj, fn) {
-    return Ox.filter(Ox.values(obj), fn).length > 0;
+    return Ox.filter(Ox.values(obj), fn || function(v) {
+        return v;
+    }).length > 0;
 };
 
 /*@

source/Ox/js/Type.js

@@ -137,6 +137,36 @@ Ox.isEqual = function(a, b) {
     return isEqual;
 };
 
+/*@
+Ox.isFalsy <f> Returns true for undefined, null, false, 0, '', [], {}
+    (value) -> <b> True if the value is falsy
+    value <*> Any value
+    > Ox.isFalsy(void 0)
+    true
+    > Ox.isFalsy(null)
+    true
+    > Ox.isFalsy(false)
+    true
+    > Ox.isFalsy(0)
+    true
+    > Ox.isFalsy('')
+    true
+    > Ox.isFalsy([])
+    true
+    > Ox.isFalsy({})
+    true
+    > Ox.isFalsy(NaN)
+    false
+    > Ox.isFalsy(function() {})
+    false
+    > Ox.isFalsy(/ /)
+    false
+@*/
+Ox.isFalsy = function(val) {
+    return (!val && !Ox.isNaN(val))
+        || (Ox.isEmpty(val) && !Ox.isFunction(val));
+};
+
 /*@
 Ox.isFunction <f> Tests if a value is a function
     (value) -> <b> True if the value is a function