N/util Module
util.extend(receiver, contributor)
Method Description: Copies the properties in a source object to a destination object. You can use this method to merge two objects.
Returns: The destination object.
Supported Script Types: All script types For more information, see SuiteScript 2.0 Script Types.
Governance: None
Module: N/util Module
Since: 2016.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=util.extend(receiver, contributor)

// Code Example 1

//Add additional code

//...

    var colors = {};

    var firstSet = {'color1':'red',

        'color2':'yellow',

        'color3':'blue'};

    var secondSet = {'color4':'green',

         'color5':'orange',

         'color6':'violet'

    };



  // Extends colors object with the information in firstSet

  // Colors will get {'color1':'red','color2':'yellow','color3':'blue'}

  util.extend(colors, firstSet);



  // Extends colors object with the information in secondSet

  // Colors will get {'color1':'red','color2':'yellow','color3':'blue','color4':'green','color5':'orange','color6':'violet'}

  util.extend(colors, secondSet);

});

//...

//Add additional code



// Code Example 2

//Add additional code

//...

    var colors = {};

    var firstSet = {'color1':'red',

        'color2':'yellow',

        'color3':'blue'

    };

    var secondSet = {'color2':'green',

        'color3':'orange',

        'color4':'violet'

    };



  // Extends colors object with the information in firstSet

  // Colors will get {'color1':'red','color2':'yellow','color3':'blue'}

  util.extend(colors, firstSet);



  // Extends colors object with the information in secondSet and overrides the value if there are similar keys

  // Colors will get {'color1':'red','color2':'green','color3':'orange','color4':'violet'}

  util.extend(colors, secondSet);



  var x = 0;

});

//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4541702994.html