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What is the difference between

 instance.totalSupply() vs instance.methods.totalSupply().call()

To my knowledge one is for truffle and the other is for web3. But truffle also uses web3 then why can i not call the functions in a single way?

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From web3.js version 1.0 it has been recommended to call smart contract functions like this

instance.methods.totalSupply().call()

Reference : methods

For earlier version ( < 1.0) we could call like

instance.totalSupply() 

Note : from docs

This documentation is work in progress and web3.js 1.0 is not yet released! You can find the current documentation for web3 0.x.x at github.com/ethereum/wiki/wiki/JavaScript-API.

  • which web3 version is truffle using? – Kashish Khullar Sep 30 '18 at 17:57
  • I am not sure. you can check it – sharif2008 Sep 30 '18 at 18:36

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