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The code has an assignment to a non-existent property of an object, and the object does not support expando properties. The compiler attempts to create an expando property, but the properties cannot be added to the object and so the property is discarded.

To correct this error

  1. Use an object that supports expando properties.

  2. Do not attempt to add expando properties to objects that do not support them.

See Also


Troubleshooting Your Scripts
Advanced Class Creation
JScript Object Object

Other Resources

JScript Reference

JavaScript Editor Ajax toolkit     Ajax website