- Throw Error objects instead of Strings.

core-js/src/main/javascript/Functions.js

@@ -15,7 +15,7 @@ $assert = function (assert, message) {
     if (!$defined(assert) || !assert) {
         var stack;
         try {
-            null.eval();
+            throw Error("Unexpected Exception");
         } catch (e) {
             stack = e;
         }
@@ -33,7 +33,7 @@ function stackTrace(exception) {
 
     if (!$defined(exception)) {
         try {
-            throw "Dummy Exception"
+            throw Error("Unexpected Exception");
         } catch (e) {
             exception = e;
         }
@@ -45,6 +45,8 @@ function stackTrace(exception) {
     else if (window.opera && exception.message) { //Opera
         result = exception.message;
     } else {  //IE and Safari
+        result = exception.sourceURL + ': ' + exception.line + "\n\n";
+
         var currentFunction = arguments.callee.caller;
         while (currentFunction) {
             var fn = currentFunction.toString();

mindplot/src/main/javascript/IconGroup.js

@@ -80,7 +80,7 @@ mindplot.IconGroup = new Class({
         }, this);
 
         if (result == null) {
-            throw "Icon can no be found.";
+            throw new Error("Icon can no be found:" + iconModel);
         }
 
         return result;

mindplot/src/main/javascript/LocalStorageManager.js

@@ -47,7 +47,7 @@ mindplot.LocalStorageManager = new Class({
 
                 // If I could not load it from a file, hard code one.
                 if (xml == null) {
-                    throw "Map could not be loaded";
+                    throw new Error("Map could not be loaded");
                 }
 
             }

web2d/src/main/javascript/Element.js

@@ -20,7 +20,7 @@ web2d.Element = new Class({
     initialize : function(peer, attributes) {
         this._peer = peer;
         if (peer == null) {
-            throw "Element peer can not be null";
+            throw new Error("Element peer can not be null");
         }
 
         if ($defined(attributes)) {
@@ -53,7 +53,7 @@ web2d.Element = new Class({
         for (var key in batchExecute) {
             var func = this[key];
             if (!$defined(func)) {
-                throw "Could not find function: " + key;
+                throw new Error("Could not find function: " + key);
             }
             func.apply(this, batchExecute[key]);
         }
@@ -114,7 +114,7 @@ web2d.Element = new Class({
      * Returns element type name.
      */
     getType : function() {
-        throw "Not implemeneted yet. This method must be implemented by all the inherited objects.";
+        throw new Error("Not implemeneted yet. This method must be implemented by all the inherited objects.");
     },
 
     /**
@@ -146,7 +146,7 @@ web2d.Element = new Class({
      */
     setStroke : function(width, style, color, opacity) {
         if (style != null && style != undefined && style != 'dash' && style != 'dot' && style != 'solid' && style != 'longdash' && style != "dashdot") {
-            throw "Unsupported stroke style: '" + style + "'";
+            throw new Error("Unsupported stroke style: '" + style + "'");
         }
         this._peer.setStroke(width, style, color, opacity);
     },

wise-editor/src/main/webapp/js/editor.js

@@ -46,7 +46,7 @@ function buildDesigner(options) {
             emulation:false,
             urlEncoded:false
         }).post(JSON.encode({
-            jsErrorMsg:"message: " + message + ", line:" + lineNo + ", :" + url,
+            jsErrorMsg:"message: '" + message + "', line:'" + lineNo + "', :" + url,
             jsStack:window.errorStack,
             userAgent:navigator.userAgent,
             mapId:options.mapId}));