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Geth deployment contract problem

2022-02-03 20:55:38 Q & A of Denglian community

I'm learning from Mr. Xiong's Dapp Course , I'm looking forward to an answer to a question : I install it well. geth, Then deploy the contract , To execute the sample contract get When the method is used , Has been an error , Show unescape is not defined Method does not exist , Baidu didn't find a solution , Hope to solve .

Take the answer 1:

An undefined... Occurred , There must be a mistake in the code , Post the code , Take a look at the error screenshot .

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