How to Get All the List Templates in SharePoint 2013 Online Using REST API

'use strict';

var hostweburl;

var appweburl;

// Load the required SharePoint libraries.

$(document).ready(function () {

//Get the URI decoded URLs.

hostweburl = decodeURIComponent(

getQueryStringParameter("SPHostUrl"));

appweburl = decodeURIComponent(

getQueryStringParameter("SPAppWebUrl"));

// Resources are in URLs in the form:

// web_url/_layouts/15/resource

var scriptbase = hostweburl + "/_layouts/15/";

// Load the js file and continue to load the page with information about the list templates.

// SP.RequestExecutor.js to make cross-domain requests

$.getScript(scriptbase + "SP.RequestExecutor.js", loadPage);

});

//Utilities

// Retrieve a query string value.

// For production purposes you may want to use a library to handle the query string.

function getQueryStringParameter(paramToRetrieve) {

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

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

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

if (singleParam[0] == paramToRetrieve) return singleParam[1];

}

}

function loadPage() {

getListTemplates();

}

//Retrieve all of the list templates

function getListTemplates() {

var executor;

// Initialize the RequestExecutor with the app web URL.

executor = new SP.RequestExecutor(appweburl);

executor.executeAsync({

url: appweburl + "/_api/SP.AppContextSite(@target)/web/listtemplates?@target='" + hostweburl + "'",

method: "GET",

headers: {

"Accept": "application/json; odata=verbose"

},

success: getListTemplatesSuccessHandler,

error: getListTemplatesErrorHandler

});

}

//Populate the selectListTemplates control after retrieving all of the list templates.

function getListTemplatesSuccessHandler(data) {

var jsonObject = JSON.parse(data.body);

var selectListTemplates = document.getElementById("selectListTemplates");

if (selectListTemplates.hasChildNodes()) {

while (selectListTemplates.childNodes.length >= 1) {

selectListTemplates.removeChild(selectListTemplates.firstChild);

}

}

var results = jsonObject.d.results;

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

var selectOption = document.createElement("option");

selectOption.value = results[i].Name;

selectOption.innerText = results[i].Name;

selectListTemplates.appendChild(selectOption);

}

}

function getListTemplatesErrorHandler(data, errorCode, errorMessage) {

alert("Could not get List Templates: " + errorMessage);

}