Create Site Column and Adding it to Content Type using ECMA Script

Hi All,

Earlier We have seen How to create Site Columns using Declarative XML(http://sharepointkitchen.blogspot.in/2012/12/creating-sharepoint-site.html), In current post we will see the same using ECMA Script.

In a following example we are going to do

1.      Creation of Site Column

2.      Adding the Site Column to Content Type.

'use strict';

    var SPAppWebUrl;

    var spHostUrl;

    var contentTypeCollection;

    var siteColumnColl;

    var web;

    var field;

    (function () {

        // This code runs when the DOM is ready and creates a context object which is

        // needed to use the SharePoint object model

        $(document).ready(function () {

            spHostUrl = decodeURIComponent(getQueryStringParameter('SPHostUrl'));

            SPAppWebUrl = decodeURIComponent(getQueryStringParameter("SPAppWebUrl"));

            $('#btnCreate').on('click', function () {

                CreateSiteColumn();

            });

        });

        function CreateSiteColumn() {

            var Context = new SP.ClientContext.get_current();

            if (Context !== undefined && Context !== null) {

                var parentContext = new SP.AppContextSite(Context, spHostUrl);

                web = parentContext.get_web();

                //get field collection

                siteColumnColl = web.get_fields();

                //XML Field

                var xmlField = '<Field ID ="{fc571c6c-51ee-48df-953d-2464628d741b}" Type ="Text" Name ="Answer" DisplayName ="Answer" Group ="SiteColumnGrp" Required ="FALSE" AllowDeletion ="TRUE" Overwrite ="TRUE" OverwriteInChildScopes="TRUE"></Field>';

                siteColumnColl.addFieldAsXml(xmlField, false, SP.AddFieldOptions.AddToNoContentType);

                Context.load(siteColumnColl);

                Context.executeQueryAsync(onCreationSuccess, onCreationFail);

            }

            function onCreationSuccess() {

                addToContentType();

            }

            function addToContentType() {

                //get all Content Types

                contentTypeCollection = web.get_contentTypes();

                //get the Field

                field = web.get_fields().getByTitle('Answer');

                Context.load(contentTypeCollection);

                Context.load(field);

                Context.executeQueryAsync(onAddingToCTSuccess, onCreationFail);

            }

            //Used to Add, SiteColumn to ContentType.

            function onAddingToCTSuccess() {

                var isExisted = false;

                var name = 'TestCType';

                var exContentType;

                var contentEnumerator = contentTypeCollection.getEnumerator();

                while (contentEnumerator.moveNext()) {

                    var currentCT = contentEnumerator.get_current();

                    //checking whether Contentype is exists or not.

                    if (currentCT.get_name() == name) {

                        isExisted = true;

                        exContentType = currentCT;

                        break;

                    }

                }

                if (isExisted) {

                    if (isExisted !== null) {

                        //Creating FieldLink

                        var fieldAdd = new SP.FieldLinkCreationInformation();

                        fieldAdd.set_field(field);

                        //Add FieldLink to ContentType

                        exContentType.get_fieldLinks().add(fieldAdd);

                        exContentType.update(true);

                        Context.load(exContentType);

                        Context.executeQueryAsync(onAddedCTToSuccess, onCreationFail);

                    }

                }

            }

            function onAddedCTToSuccess() {

                alert('Site Column Created and added to Content Type');

            }

            function onCreationFail(sender, args) {

                alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());

            }

        }

        function getQueryStringParameter(urlParameterKey) {

            var params = document.URL.split('?')[1].split('&');

            var strParams = '';

            for (var i = 0; i < params.length; i = i + 1) {

                var singleParam = params[i].split('=');

                if (singleParam[0] == urlParameterKey)

                    return decodeURIComponent(singleParam[1]);

            }

        }

    })();
We can see the output as follows,

Thanks.

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