Error in file transactionPool.js

[gentleKun]

Hi, I have cloned your code in my environment and follow the readme ,when i type npm start ,some errors were found.: /var/www/test/naivecoin/src/transactionPool.js:39 transactionPool = _.without(transactionPool, ...invalidTxs); SyntaxError: Unexpected token ...

What is wrong with it ?Why there is '...' in front of 'invalidTxs'，please help me.