index.js
function incChildrenVersion (pnode) {
        if (pnode && pnode._childrenVersion) pnode._childrenVersion++
        else pnode._childrenVersion = 1
        return pnode
    }
function incChildrenVersion (pnode) {
        if (pnode && pnode._childrenVersion) pnode._childrenVersion++
        else pnode._childrenVersion = 1
        return pnode
    }
function incChildrenVersion ( pnode ) { if ( pnode && pnode . _childrenVersion ) pnode . _childrenVersion ++ else pnode . _childrenVersion = 1 return pnode }
incrememnt childrenVersion of pnode
incrememnt childrenVersion of pnode