How to check installed web3 version with command line terminal?
From a command line: npm ls web3
or npm list web3
.
By the way, this message has nothing to do with web3
, it's telling you to upgrade npm
itself.
npm install web3
installs web3.js, which has a version command documented here:
https://github.com/ethereum/wiki/wiki/JavaScript-API#web3versionapi
var version = web3.version.api;
console.log(version); // "0.2.0"
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2
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You can check your node module versions using:
npm view <module> version
So just type on your terminal:
npm view web3 version
You may by the following:
Step-I: on your console write "node" and then enter
~/../currentDir> node
Then:
>var Web3 = require("web3");
>console.log(Web3.version);
Output:
'1.2.11' //version
web3
, it's telling you to upgradenpm
itself. – goodvibration Jun 12 '18 at 6:03npm
no web3 – mirg Jun 12 '18 at 6:03