I have JavaScript using jQuery and AJAX which creates a dynamic array, which has some values used for AJAX request as below; The script is suppose to submit values in the array in array[i] for each AJAX request. I made a variable var i which auto increments.. But the script is not working.. The script works w…
Tag: ajax
Upload file with Ajax XMLHttpRequest
I am trying to send file with XMLHttpRequest with this code. I get this error: T The request was rejected because no multipart boundary was found. What am I doing wrong? Answer There is no such thing as xhr.file = file;; the file object is not supposed to be attached this way. xhr.send(file) doesn’t sen…
Browser Timeouts
Do browsers have built in timeouts and if so what are they? I have a page that does an AJAX call on a process that takes at most 5 minutes to run. Someone said browsers timeout after 2 minutes but didn’t know if there was any truth to that. Answer It’s browser dependent. “By default, Interne…
Best practice for triggering events on calling page from an ajax page
I have a page that lists a bunch of files. This page can be accessed directly via a URL or it can be loaded in a modal dialog via ajax from a different page. If the files page is loaded via ajax, I would like to allow the user to click the name of the file and trigger an action
How to convert a byte array into an image?
Using Javascript, I’m making an AJAX call to a WCF service, and it is returning a byte array. How can I convert that to an image and display it on the web page? Answer I realize this is an old thread, but I managed to do this through an AJAX call on a web service and thought I’d share… I
Download a file by jQuery.Ajax
I have a Struts2 action in the server side for file downloading. However when I call the action using the jQuery: in Firebug I see the data is retrieved with the Binary stream. I wonder how to open the file downloading window with which the user can save the file locally? Answer 2019 modern browsers update Th…
Synchronizing loading js files with ajax calls and loading js files with tag
core.js: me.js CASE 1: CASE 2: The problem is that for case 1 I get an alert, as I should , but for case 2, no alert… So the question is: there is a load event for the <script> tag? Qhat can I use to synchronize the files to work on case 2 (while debugging in IE8, I noticed that
Load google maps v3 dynamically with ajax
When i try to load google maps v3 with ajax the result is: in the source code, i suppose that writes with javascript document.write(); how i can do this without iframe? thanks. Answer This is not supported. Please load the API using supported methods: http://code.google.com/apis/maps/documentation/javascript/…
Defer JavaScript execution till the content has been added to Document
I am trying to load some content into a page using Ajax. The html that is loaded contains some JavaScript code. Even though the code is wrapped within $(document).ready, it gets executed before the content is inserted into the document, because the parent document’s Dom is ready by the time the content …
How to write this crawler in JavaScript?
The idea is very simple: Imagine a simple white page with a form with a single input tag (like Google homepage ). When I insert a link of a blog post in this form, then the javascript-crawler search the first image in the web page of the blog post (through ajax), show it in the white page and save it