How to write a simple undo system for your app
I really like undos. If I could undo that that last beer… Unfortunately, I can’t. But, I can offer undo to users of my application.
Archive for the ‘ajax’ Category
How to use JSON (updated with example)
This post is an update from the old post. A lot of things changed since it was written and the information in the old one is a bit outdated.
Ask Dan : More on javascript threading
From time to time, I receive emails from desperate people who want help with their javascript problem. I also receive a lot of emails of people wanting to help me with my “manly problems”. It’s very nice from them to care about me and I take time to reply to each of them but I [...]
Ajax, javascript and threads : the final truth
Since I have written Ajax and javascript don’t use thread, one of my reader (BK) told me that I was wrong. Here’s the final truth. What I said If javascript runs some code that takes 5 seconds to execute and an ajax response arrives at 2 seconds, it will take 3 seconds before it will [...]
Ask Dan : Procedural VS object-oriented in javascript
Since the beginning of Ask Dan a javascript question, I received a bunch of questions. Here’s the first one I received. It’s from Andrew Worcester. There seems (to me anyway) to be an overuse of the “new” syntax in libraries. If I create an Ajax object is there a functional benefit to using: “new Ajax.Request(options)” [...]
Ajax and javascript don’t use threads
Since ajax, a lot of people are thinking that asynchrone means “in a separated thread”. They are wrong! Synchronous The XMLHttpRequest object gives you the option to make a synchronous request to a server with the parameter async set to false. It means that when you call the server, all javascript executions will stop and [...]
3 reasons why I use jQuery
These days, you can’t write a web application without using one of the billionth javascript library. Two of them stood out of the crowd : prototype and jQuery. I will explain why did I choose jQuery. Prototype Prototype is comfortably installed in a lot of developers mind because of two reasons : it was the [...]
How to use JSON
UPDATE : This was written more than 2 years ago, read the new post on How to use JSON. Web2.0 came with the intensive use of the XMLHttpRequest object even if it was already in our browser before then. A lot of format were tried but JSON will be the winner overall. What is JSON? [...]