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Tagged articles - JavaScript

Found 35 articles tagged with JavaScript

Enabling CORS only for specific domains in ASP.NET
Enable cross origin resquests only for certain domains in ASP.NET
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Cross-origin resource sharing (CORS) means that page from other domain can make request to some resource which is on other domain. For example, if you try to invoke some WEB API method which is running on different domain you will get exception in the script. By default CORS are disabled in ASP.NET bot you can easily enable them just by modifying web.config for IIS7 and newer versions pf IIS. ...read more
Detect when file download request is finished with jQuery
Figuring out when file download request completes with jQuery
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Recently I started a small free service app for extracting icons from application files .exe and .dll. It is called IconExtract and it is hosted at http://iconextract.dejanstojanovic.net/ It basically takes application file you submit, extracts icons and returns them zipped, so beside long running upload there is some processing on the back-end when file is uploaded as well. ...read more
The ways of loading JavaScript files onto your page
Varios ways to load the script on the page and boos performances
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Recently I was working on speeding up my website. As a reference I user Google PageSpeed Insights. There were few things, but among them was one that was that really poked my eyes...read more
Deserializing JSON to anonymus type in C#
Binding JSON string to anonyms type
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JSON is really easy to use and it really boosts performances since it is a lot lighter than XML and SOAP. Sometime it can be really annoying having to create POCO class every time you need to deserialize JSON value passed from client side in ASP.NET web applications. During extending project functionality this number of POCO classes can significantly grow to that matter that you have a bunch of classes for even the simplest task you have to do with JSON value. ...read more
Facebook Album Browser JQuery Plugin
Simple Facebook public albums browser plugin for JQuery
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Reponsive jQuery plugin for browsing public albums of a Facebook account. Plugin is suitable for both desktop and mobile websites....read more
CSS Media Queries instead of JavaScript code
Using CSS Media Queries instead of JavaScript or JQuery code
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Before CSS3 coming out, if you needed to change the layout programatically when window size is changed you would have to write a small JavaScript or JQuery to handle window resize event and perform some action on the DOM to addapt your layout. In case you would use JQuery (which is most of the cases as I do not remember last time I wrotw plain JavaScript code) you would have to hook to window resize event and handle every resize. Based on your condition you would apply some CSS to specific element or strip style from it. ...read more
Working with canvas on images loaded from different domain
SecurityError: The operation is insecure. canvas issue
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Recently I'we been working with HTML canvas by using cropper jQuery plugin http://fengyuanchen.github.io/cropper. It was working fine until I had to load images from Facebook. As soon as I loaded image from facebook, script was crashing with a security error: ...read more
Extension method equivalents in JavaScript
How to write an extension method for a type in JavaScript
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For someone who works in C#, extension methods are one really useful feature introduced in .NET framework. I use extension methods a lot because they are so nicely integrated with intellisense and you can access them really easy. ...read more
Fastest way to return JSON result from a controller
Resturn JSON in MVC controller action
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Recently I had to develop a form on a page which loads secondary dropdown list items based on selection in a primary dropdown list. Because secondary list items are basically children elements of the one selected in primary I just had to run through all children and just return text-value pair object to JavaScript to populate secondary dropdown list. ...read more
Testing mobile website client side functionality on desktop
Development and testing of mobile websites on desktop
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Recently I have posted an article about new HTML5 features for mobile devices where some of the new JavaScript APIs are described. If you decide to apply any of these new cool features on your mobile website you would first want to test them before you publish them on the real website. You can always expose the website to you mobile device and navigate, but it really takes additional time and after 10th time you would really get annoyed by doing this. ...read more
HTML5 JavaScript API for mobile devices
Empower website with new HTML5 JavaScript API
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HTML5 is awesome for desktop websites and believe it or not, even more awesome for mobile devices. In the following article, I'll show you few HTML5 APIs which can be invoked from JavaScript which directly interact with your mobile device, so let's start. Geolocation API ...read more
Use GitHub for hosting JS and CSS files
How to use your CSS and JS files direcly from GitHub
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Recently I've started JQuery plugin project on GitHub and decided to provide examples via JSFiddler. I could easily take latest files and host it on the same host as this blog but that would make a headache for me as I would have to update files on my host as soon as I update file in GitHub. So I googled a little bit and found a solution...read more
Database Change Notifications in ASP.NET using WebSocket
Display database change on website in real-time
 
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Database table changes are usually not displayed right away in an application, escecially if it is a web application. With HTML5 and Web API that is about to change...read more
Using WebSocket in MVC4
Real time data update with MVC4 and HTML5 features
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Ajax is really cool. You can pull your data without refreshing the whole page, but increasing user experience and downsizing bandwidth for website. If you have some live data which is changing really often, the best way to display it on website is to use pulling mechanism...read more
Request different data type from Web API with JQuery
XML/JSON in return result of Web API REST service method with JQuery
 
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In my previous article Different data type in Web API response of the same method I described how to get different response with HttpWebRequest in C#. Here I will demonstrate how to achieve the same thing but in JQuery client side code...read more

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