If you are totally new to AJAX (which stands for Asynchronous Javascript And XML), the AJAX entry on wikipedia is a good starting point: Like DHTML and LAMP, AJAX is not a technology in itself, but a group of technologies. AJAX uses a combination of: HTML and CSS for marking up and styling information. The DOM accessed … Read more
Place this inside <head> to refresh page after 900 seconds: For what it’s worth, the w3c has officially deprecated this feature, but browsers continue to support this feature. For your purposes, this is an ideal solution. It’s just not a recommended solution for “public” (www)-facing web sites any more.
Usually, ajax handler on your server should return XML or JSON (I think JSON is better) with the data it needs. So, after getting info from the handler, dump(cast) it into a JSON object and return to client. On client, JavaScript receives this JSON, and after that should dynamically create html elements and insert them … Read more
I always use this, works perfect.
Here are the current past AngularJS incantations: Here is the rest of it (HTML / CSS)….using to toggle it. NOTE: the above is used in the angular module at beginning of post
Basic usage of .ajax would look something like this: HTML: jQuery: Note: Since jQuery 1.8, .success(), .error() and .complete() are deprecated in favor of .done(), .fail() and .always(). Note: Remember that the above snippet has to be done after DOM ready, so you should put it inside a $(document).ready() handler (or use the $() shorthand). Tip: You can chain the callback handlers like this: $.ajax().done().fail().always(); PHP (that is, form.php): Note: Always sanitize posted data, … Read more
I dont think you should call JSON.parse(jsonObject) if the server is sending valid JSON as it will be parsed automatically when it retrieves the response. I believe that if You set the Content-type: application/json header it will be parsed automatically. Try using jsonObject as if it was already parsed, something like: Without calling JSON.parse before.
There isn’t an element on your page with the id “mainContent” when your callback is being executed. In the line: the section document.getElementById(“mainContent”) is returning null
First, understand that you have three languages working together: PHP: It only runs by the server and responds to requests like clicking on a link (GET) or submitting a form (POST). HTML & JavaScript: It only runs in someone’s browser (excluding NodeJS). I’m assuming your file looks something like: Because PHP only responds to requests … Read more
I don’t think it’s a good idea to ask your customers to disable this configuration at all. Remember that enabling and making this change does not only apply to your website but to other websites as well. There’s a huge security reason why it is disabled in Internet and Restricted Sites zones by default and … Read more