Export DOMException; remove custom assertions; etc. (#174)

Co-authored-by: Christopher J. Brody <chris.brody+brodybits@gmail.com>

lib/dom.js

@@ -1,10 +1,3 @@
-/*
- * DOM Level 2
- * Object DOMException
- * @see http://www.w3.org/TR/REC-DOM-Level-1/ecma-script-language-binding.html
- * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html
- */
-
 function copy(src,dest){
 	for(var p in src){
 		dest[p] = src[p];
@@ -66,7 +59,12 @@ var INVALID_MODIFICATION_ERR 	= ExceptionCode.INVALID_MODIFICATION_ERR 	= ((Exce
 var NAMESPACE_ERR            	= ExceptionCode.NAMESPACE_ERR           	= ((ExceptionMessage[14]="Invalid namespace"),14);
 var INVALID_ACCESS_ERR       	= ExceptionCode.INVALID_ACCESS_ERR      	= ((ExceptionMessage[15]="Invalid access"),15);
 
-
+/**
+ * DOM Level 2
+ * Object DOMException
+ * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html
+ * @see http://www.w3.org/TR/REC-DOM-Level-1/ecma-script-language-binding.html
+ */
 function DOMException(code, message) {
 	if(message instanceof Error){
 		var error = message;
@@ -1251,6 +1249,7 @@ try{
 
 //if(typeof require == 'function'){
 	exports.Node = Node;
+	exports.DOMException = DOMException;
 	exports.DOMImplementation = DOMImplementation;
 	exports.XMLSerializer = XMLSerializer;
 //}

readme.md

@@ -98,6 +98,30 @@ DOM level2 method and attribute:
 			normalize()
 			isSupported(feature, version)
 			hasAttributes()
+* [DOMException](http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html)
+   The DOMException class has the following constants (and `value` of type `Number`):
+
+  1. `DOMException.INDEX_SIZE_ERR` (`1`)
+  1. `DOMException.DOMSTRING_SIZE_ERR` (`2`)
+  1. `DOMException.HIERARCHY_REQUEST_ERR` (`3`)
+  1. `DOMException.WRONG_DOCUMENT_ERR` (`4`)
+  1. `DOMException.INVALID_CHARACTER_ERR` (`5`)
+  1. `DOMException.NO_DATA_ALLOWED_ERR` (`6`)
+  1. `DOMException.NO_MODIFICATION_ALLOWED_ERR` (`7`)
+  1. `DOMException.NOT_FOUND_ERR` (`8`)
+  1. `DOMException.NOT_SUPPORTED_ERR` (`9`)
+  1. `DOMException.INUSE_ATTRIBUTE_ERR` (`10`)
+  1. `DOMException.INVALID_STATE_ERR` (`11`)
+  1. `DOMException.SYNTAX_ERR` (`12`)
+  1. `DOMException.INVALID_MODIFICATION_ERR` (`13`)
+  1. `DOMException.NAMESPACE_ERR` (`14`)
+  1. `DOMException.INVALID_ACCESS_ERR` (`15`)
+
+   The DOMException object has the following properties:
+   code
+   This property is of type Number.
+
+	 * extends the Error type thrown as part of DOM API:
 
  * [DOMImplementation](http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-102161490)
 
@@ -228,7 +252,8 @@ DOM level 3 support:
 
 DOM extension by xmldom
 ---
- * [Node] Source position extension; 
+
+* [Node] Source position extension; 
 
 		attribute:
 			//Numbered starting from '1'