Lines Matching refs:isUndefined
247 Mirror.prototype.isUndefined = function() {
1564 if (!receiver.isUndefined()) {
1565 for (var r = receiver; !r.isNull() && property.isUndefined(); r = r.protoObject()) {
1569 if (!property.isUndefined()) {
1842 if (!eval_from_script.isUndefined()) {
