Jquery check checkbox by name and value

 $('input[name="6"][value="update"]').attr("checked", true);

Jquery update character from string using index or character at postion

 setCharAt: function (str, index, chr) {
        if (index > str.length - 1) return str;
        return str.substr(0, index) + chr + str.substr(index + 1);
    }

Jquery set charater at string

 setCharAt: function (str, index, chr) {
        if (index > str.length - 1) return str;
        return str.substr(0, index) + chr + str.substr(index + 1);
    }

How to use Deferreds and Promises in ajax call

//Ajax function

getPromise: function (serviceUrl, folderId, featureId, loginId, sessionId) {
        var deferred = $.Deferred();

        $.ajax({
            type: "POST",
            url: serviceUrl + "/test.asmx/getFolderFeaturePrivilegeList",
            contentType: "application/json; charset=utf-8",
            data: '{"folderId":"' + folderId + '","featureId":"' + featureId + '","loginId":"' + loginId + '","sessionId":"' + sessionId + '"}',
            dataType: "json",
            success: function (data) {
                deferred.resolve(data.d);
            },
            error: function (XMLHttpRequest, textStatus, errorThrown) {
                alert("Error has occured");
            }
        });

        //setTimeout(function () {
        //    deferred.resolve("hurray");
        //}, 1000);

        return deferred.promise();
    }

//calling function


download: function (serviceUrl, folderId, featureId, loginId, sessionId) {
        alert('download');
        $.when(ecabSettings.getPromise(serviceUrl, folderId, featureId, loginId, sessionId)).done(function (value) {
            alert('hi');
            console.log(value);
        });  
    },

Jquery get last li text from div or ul tag

var currentFolder = $('#divBreadCrumb li:last-child').text();

Re-positioning Jquery UI Autocomplete Results Box

http://jsfiddle.net/9QmPr/

Jquery, line break in textarea.. don't get \n and get ↵

document.getElementById('textareaid').innerHTML;

textString=textString.replace(/<br>/g,"\n");

Jquery remove last comma from string

s = s.substring(0, s.length - 1);

Handling Larger JSON String Values in .NET and Avoiding Exceptions

http://rion.io/2013/04/28/handling-larger-json-string-values-in-net-and-avoiding-exceptions/

jquery nested json example

 shareNoteDocumentJson.push({
                    userId: '1',
                    notes: [
                        { noteId: 'n1', note: 'note1' },
                        { noteId: 'n2', note: 'note2' },
                        { noteId: 'n3', note: 'note3' },
                    ],
                    documents: [
                        { documentId: 'd1', document: 'document1' },
                        { documentId: 'd1', document: 'document2' },
                        { documentId: 'd1', document: 'document3' },
                    ]
                });

jquery check if radiobutton is checked

 if($('#radio_button').is(':checked')) { alert("it's checked"); }

jquery radio button checked event by name

  $('input:radio[name="share"]').change(function () {
                alert(this);
            });

jquery datatable remove search filter

$(document).ready( function () {

  $('#example').dataTable( {

    "bFilter": false

  } );

} );

Remove duplicate objects in an array of object in JavaScript

function remove_duplicates(objectsArray) {
    var usedObjects = {};

    for (var i=objectsArray.length - 1;i>=0;i--) {
        var so = JSON.stringify(objectsArray[i]);

        if (usedObjects[so]) {
            objectsArray.splice(i, 1);

        } else {
            usedObjects[so] = true;          
        }
    }

    return objectsArray;

}

Call parent Javascript function from inside an iframe

window.parent.rxTreeSelectNode(folderID);

rxTreeSelectNode - Your Function Name

Iframe set source or href using jquery

    var folderID = $(this).closest('[id]').attr('id');
                var url = 'UploadMultipleFiles.aspx?folderId=' + folderID;
                $('#myframe').attr("src", url);

Jquery get session value asp.net

var sessionId = '<%=HttpContext.Current.Session["SessionID"]%>';

jquery get Url parameters

function getParameterByName(name) {
            name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
            var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
                results = regex.exec(location.search);
            return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
        }

ASP.NET Jquery clear dropdown values

$('#<%=ddlStatus.ClientID%>').val("");

Jquery OR condition

if (hdnWorkflowTaskFlag == 'Edit' || hdnWorkflowTaskFlag == 'Add') {

}