chain.js
function pushNode( /*handler1, handler2, ..., handlerN*/ ) {
    var node = {
        items: utils.slice(arguments),
        state: {}
    }
    var id = this.props._nodes.add(node)
    node.id = id
    return node
}
function pushNode( /*handler1, handler2, ..., handlerN*/ ) {
    var node = {
        items: utils.slice(arguments),
        state: {}
    }
    var id = this.props._nodes.add(node)
    node.id = id
    return node
}
function pushNode ( /*handler1, handler2, ..., handlerN*/ ) { var node = { items : utils . slice ( arguments ) , state : { } } var id = this . props . _nodes . add ( node ) node . id = id return node }
Push a step node to LinkNodes
Push a step node to LinkNodes