Get version of node webkit in app - xiechao00/node-webkit GitHub Wiki
Sometimes you may need to know the version of node-webkit in app so you can determine whether certain APIs are available, to get it you can use:
process.versions['node-webkit']
And to quickly know the node-webkit's version you are using now, you can type nw:version
in the toolbar, then node-webkit would print the versions like:
node-webkit v0.3.5
node.js v0.8.14