Centralize the logic for throwing exceptions. Fixes #5913.

src/ajax.js

@@ -578,7 +578,7 @@ jQuery.extend({
 			data = xml ? xhr.responseXML : xhr.responseText;
 
 		if ( xml && data.documentElement.nodeName === "parsererror" ) {
-			throw "parsererror";
+			jQuery.error( "parsererror" );
 		}
 
 		// Allow a pre-filtering function to sanitize the response
@@ -606,7 +606,7 @@ jQuery.extend({
 					}
 
 				} else {
-					throw "Invalid JSON: " + data;
+					jQuery.error( "Invalid JSON: " + data );
 				}
 
 			// If the type is "script", eval it in global context

src/attributes.js

@@ -281,7 +281,7 @@ jQuery.extend({
 				if ( set ) {
 					// We can't allow the type property to be changed (since it causes problems in IE)
 					if ( name === "type" && rtype.test( elem.nodeName ) && elem.parentNode ) {
-						throw "type property can't be changed";
+						jQuery.error( "type property can't be changed" );
 					}
 
 					elem[ name ] = value;

src/core.js

@@ -467,6 +467,10 @@ jQuery.extend({
 		return true;
 	},
 	
+	error: function( msg ) {
+		throw msg;
+	},
+
 	noop: function() {},
 
 	// Evalulates a script in a global context