Grab a specific property bag using ECMA script
I would appreciate if some paste a sample code to get the property bags values using ClientContext?
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
There was recent discussion here regarding the very same topic. Refer to this thread: Grab a specific property bag using ECMA script
Just to complete the answer provided in the link. If your property bag value is a plain text, not a serialized xml settings (as in the other question), you can use get_item function directly: