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Create cascading drop downs for SharePoint 2013/2016/O365 classic forms

/*

  • HillbillyCascade - Create cascading drop downs for SharePoint 2013/2016/O365 classic forms
  • Version 2.0
  • @requires jQuery v1.7 or greater
  • @requires unslider
  • Copyright (c) 2017 Mark Rackley / PAIT Group
  • Licensed under the MIT license:
  • http://www.opensource.org/licenses/mit-license.php / /*
  • @description Create cascading drop downs for SharePoint 2013/2016/O365 classic forms
  • @type jQuery
  • @name HillbillyCascade
  • @category Plugins/HillbillyCascade
  • @author Mark Rackley / http://www.markrackley.net / [email protected]
  • Usage:
  • var cascadeArray = new Array();
  • cascadeArray.push({
  •  	parentFormField: "County", //Display name on form of field from parent list
    
  •  	childList: "Cities", //List name of child list
    
  •  	childLookupField: "Title", //Internal field name in Child List used in lookup
    
  •  	childFormField: "City", //Display name on form of the child field
    
  •  	parentFieldInChildList: "County", //Internal field name in Child List of the parent field
    
  •  	firstOptionText: "< Select a City >"
    
  •  });
    
  •  $().HillbillyCascade(cascadeArray);
    

*/

HillbillyCascade works with mutli-level cascading dropdowns, simply create an array entry for each subsequent cascade.