p.location-badge. exported from angular2/change_detection defined in angular2/src/change_detection/exceptions.ts (line 18) :markdown Thrown when an expression evaluation raises an exception. This error wraps the original exception, this is done to attach expression location information. .l-main-section h2 Members .l-sub-section h3 constructor pre.prettyprint code. constructor(proto: ProtoRecord, originalException: any, originalStack: any, context: any) :markdown .l-sub-section h3 location :markdown Location of the expression.