What is the new method for determining if you have an active connection to a node? I need to set up an error state in my app if the user stops parity.
There is not. You can try the method to get the geth version or an other "small" function.
web3.version.node or web3.version.getNode() is not working!!
web3.eth.getNodeInfo() is now available in beta-34
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web3.eth.getNodeInfo()is now available in beta-34