chain.js
function pushHandlers (chain, args) {
    return pushNode.apply(chain, utils.type(args[0]) == 'array' ? args[0]:args)
}
function pushHandlers (chain, args) {
    return pushNode.apply(chain, utils.type(args[0]) == 'array' ? args[0]:args)
}
function pushHandlers ( chain , args ) { return pushNode . apply ( chain , utils . type ( args [ 0 ] ) == 'array' ? args [ 0 ] : args ) }
Push functions to step node
Push functions to step node