ajax

问题 Here is how the form is supposed to execute: <script> $(document).ready(function(){ $("#submit").click(function(){ //access token stuff var token = $("#link_input").val(); ... etc</script> . I am trying to auto submit this info once it exceeds 10 characters. Normally you fill out the text area in the input field and you click submit. Upon clicking the submit button the JS validates the text in the input box and if it's valid it executes. How can I auto-submit the text in the input box without

问题 Hi guys i have topic table where i am storing all topics along with sub topics..and subtopic id i am storing in parent_id column. Here is my db structure: i am getting all topics in dropdown like this. But i would like to show my subtopics list like this fractions fractions>introductions to fractions fractions>Fractions as division So far i have create childTopics functions in my model: public function childTopics() { return $this->hasMany(Topic::class, 'parent_id'); } And i used in my create

问题 There are two datatables on the same page and both have different columns. Is there a way to use the same ajax datasource to draw multiple tables? I am trying avoid multiple calls to database. $('#gvData').DataTable({ "processing": true, //"serverSide": true, "bPaginate": false, "bFilter": false, "bInfo": false, "scrollY": "300px", "scrollCollapse": true, "bDestroy": true, "ajax": { "dataType": 'json', "contentType": "application/json", "type": "POST", "url": "myform.aspx/GetData", "data":

问题 I have 2 models: Team and Quest . When creating a new team, I have a drop-down of all the quests. When a quest is selected, I want to display information about the quest. My understanding is that everything in the form is on the client side and AJAX is required to pass the selected quest to the server side. My code is based on this Stack Overflow answer. Here is how I constructed my form: app/views/teams_form.html.erb <%= form_for(@team) do |f| %> <fieldset> <ol> <li> <%= f.label :name %> <%=

问题 Is it possible to have 3 different AJAX requests, and have them all populate to the same DataTable(table)? I have tried and tried to create a AJAX with multiple URLS and it didn't work, but when I used just one URL, it works fine. The issue is I need to pull from three different subsites. Here is my code: $(document).ready(function() { $('#myTable').DataTable({ 'ajax': { 'url': "_api/web/lists/getbytitle('XDeliverables')/items?$select=Program, Deliverable, To, Date, Approved, Notes", 'headers

问题 config/application.rb require_relative 'boot' require 'rails/all' Bundler.require(*Rails.groups) module MyApp class Application < Rails::Application config.middleware.insert_before ActionDispatch::Static, Rack::Cors do allow do origins '*' resource '*', :headers => :any, :methods => [:get, :post, :options, :patch, :delete] end end end end Gemfile gem 'rack-cors', :require => 'rack-cors' another gems… bundle exec rake middleware use Rack::Cors another middleware… This is an error shown console

问题 I wrote an application on my local machine that works perfectly. I am using XAMPP so it is running Apache. When I uploaded the application to my ubuntu test server, I am getting a 404 error on the ajax call and I am honestly perplexed. I am using CodeIgniter 3.1.8. The controller is definitely there and the .htaccess is working fine on my local machine. I checked the case of the filename for the controller and it is fine. Here's the javascript of the ajax call: function step2(){ var canShow =

问题 When I try to render a component with f:ajax inside a multipart/form-data form, the target attribute of the form gets changed to JSFFrameId . Is this a bug? Here is a sample code when this occur: <h:form enctype="multipart/form-data"> <h:inputText> <f:ajax event="change" render="@this" execute="@this"/> </h:inputText> <h:inputFile /> </h:form> In my real code this is not what I'm trying to do but the same issue occurs with the sample code. When visiting this page I get the following HTML

问题 I'm trying to do something very simple, I want to do a POST with AJAX Jquery to a Node.js server and have the server return a response. My problem is that I can't get that answer from the server. If someone can help me, I will be very grateful. client.js $(document).ready(function(){ $("button").click(function(){ $.post("http://localhost:3333/vrp", { name: "Donald Duck", city: "Duckburg" }, function(data,status){ alert("Data: " + data + "\nStatus: " + status); //This section code doesn't

问题 I was trying to understand how promises works in javascript but I didn't found clear info about this, I would like to know if it possible and it is so how to do this using promises instead this code (equivalent) $.ajax({ type: 'post', cache: false, url: 'myfile.php', data: { info: info }, datatype: 'json', success: function(response) { console.log(response); } }); I ask this because I want to use only javascript without any framework or plugins, I have no problem with the other new feautures