Show spinner GIF during an $http request in AngularJS?
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
ajax
jQuery Ajax POST example with PHP
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
JSON.parse() not working
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.
Uncaught TypeError: Cannot read property ‘appendChild’ of null
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
Execute PHP function with onclick
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
How to solve the error “SCRIPT7002: XMLHttpRequest: Network Error 0x80070005, Access is denied.” in IE
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
Minimum Working Example for ajax POST in Laravel 5.3
I presume you have a basic understanding of the model-controler-view paradigm, a basic understanding of Laravel and a basic understanding of JavaScript and JQuery (which I will use for reasons of simplicity). We will create an edit field and a button which posts to the server. (This works for all versions from Laravel 5.0 to … Read more
Access-Control-Allow-Origin error sending a jQuery Post to Google API’s
I solved the Access-Control-Allow-Origin error modifying the dataType parameter to dataType:’jsonp’ and adding a crossDomain:true
Access-Control-Allow-Origin error sending a jQuery Post to Google API’s
I solved the Access-Control-Allow-Origin error modifying the dataType parameter to dataType:’jsonp’ and adding a crossDomain:true
What’s the point of the X-Requested-With header?
A good reason is for security – this can prevent CSRF attacks because this header cannot be added to the AJAX request cross domain without the consent of the server via CORS. Only the following headers are allowed across origins: Accept Accept-Language Content-Language Last-Event-ID Content-Type any others cause a “pre-flight” request to be issued in CORS supported browsers. … Read more