Splice

var Baobab = require('baobab');

var tree = new Baobab({
  colors: ['red', 'blue', 'green'],
  languages: {
    google: ['js', 'python'],
    microsoft: ['js', 'typescript']
  }
});

tree.splice('colors', [0, 1]);

tree.splice(['languages', 'google'], [1, 1]);

// On update event
tree.get();
>>> { colors: [ 'blue', 'green' ],
>>>   languages: { google: [ 'js' ], microsoft: [ 'js', 'typescript' ] } }