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old AJAX and JavaScript articles
XMLHttpRequest Overview - ...equest are due to the browser security sandbox. It can make only HTTP(S) requests (file URLs, for example, won't work), and it can make requests o...
Promises and Problems of Combining AJAX with Other New Technologies - ...gn is optimized for providing interactive elements and animations to Web sites.) Java can also be used to add interactivity to sites, but its popula...
JavaScript as a Primary Development Language for AJAX applications - ...urse, these browsers also support older proprietary syntaxes, and you should avoid these as much as possible. Keeping to the standardized interfac...
What Is Ajax - ...f our work to be made available immediately, without fuss, and without us having to wait for the whole screen to be redrawn by the program. While us...
Integrating AJAX into a Framework - ...g AJAX because they can add a new entry point just for AJAX; many AJAX Remote Procedure Call (RPC) implementations provide code to help do this....
Technologies of AJAX - ...hniques, I divide them into three groups:
Those directly used in AJAX
Those closely related to AJAX
...
Cross Browser XMLHttpRequest - ...ons.
When you are writing cross-browser, the first problem you need to overcome is that XMLHttpRequest is an ActiveX object in IE, and it's ...
Sending Asynchronous Requests - ...re the current function ends), but in most cases, you'll want these requests to happen in the background. An asynchronous request allows the brows...
AJAX Fallback Option 1 ~ Sending a Request Using an IFrame - ...sing POST.
One difficulty in using an IFrame as a transport is that the page we're loading needs to be HTML, and it needs to have a JavaScri...
AJAX Fallback Option 2 ~ Sending a Request Using a Cookie - ...functionality is provided by setting a cookie, loading an image, and then polling on an interval while waiting for the response to appear. The imp...
Advantages and Disadvantages of AJAX Techniques ~ AJAX Without XMLHttpRequest - ...for XMLHttpRequest. This problem could occur when IE is in a mode where it can't use ActiveXObjects or when you are using a pre-7.6 version of O...
AJAX Usability Guidelines - ...Web development should always be user focused; adding AJAX to the mix shouldn't change that.
As you use AJAX, keep the following guidelines ...
Nested Loops, label and continue Statements - ...lain how to effectively use continue.
For the most part, I don't use continue because, like the break statement, ...
Operators Precedence - ...ward. So, if you want two numbers added before multiplication, place them in parentheses. The following two script excerpts show the difference resu...
The ''with'' Statement - ...llows:
document.formName...
Then you follow with the element names and values:...
Conditional Structures - ...to fluently write your own scripts rather than cutting and pasting someone else's design frees you from that person...
Types of operators in JavaScript - ...elements, object properties, and literals.
The following provides an idea of the range of assignments:
alpha= 77;
alpha= (fishSize...
JavaScript Lives in a Web Page - ... a tag language. HTML stands for Hypertext Markup Language. As a markup language, HTML essentially describes a web p...
JavaScript Literals - ...anguages are numbers. Because JavaScript is weakly typed, all numbers are treated as floating-point, so you need not distinguish between integers an...
JavaScript Variables - ...d a string, the whole container magically becomes a string. Because JavaScript is untyped (or weakly typed), both the contents and the characteristi...
latest articles under "AJAX and JavaScript"
Navigation: Categories » Computers and technology » AJAX and JavaScript
Below is a list of all AJAX and JavaScript articles. If you want to find a tutorial by keywords, all you have to do is a quick search in our directory. Just use the search option. The website search is powered by Google. But, if you want to read specific AJAX and JavaScript tutorial, just point to it. The newest articles and tutorials are shown first in the list. To access the last ones, browse the pages 2, 3, 4... at the bottom.
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Below is a list of all AJAX and JavaScript articles. If you want to find a tutorial by keywords, all you have to do is a quick search in our directory. Just use the search option. The website search is powered by Google. But, if you want to read specific AJAX and JavaScript tutorial, just point to it. The newest articles and tutorials are shown first in the list. To access the last ones, browse the pages 2, 3, 4... at the bottom.
Page# 1 (last added articles shown first)
JavaScript Lives in a Web Page (12/27/2008)
... The most dynamic elements in HTML, beside the link, are event-related attributes...
... The most dynamic elements in HTML, beside the link, are event-related attributes...
JavaScript Literals (12/27/2008)
... With numbers other than decimal values or very large numbers, special requirements exist...
... With numbers other than decimal values or very large numbers, special requirements exist...
JavaScript Arrays (12/27/2008)
... However, an array element can be called forth in any order and used just like a variable...
... However, an array element can be called forth in any order and used just like a variable...
Loops in JavaScript (12/27/2008)
... A typical use for a loop is to examine characters in a string...
... A typical use for a loop is to examine characters in a string...
Types of operators in JavaScript (12/25/2008)
... The variable bolts is divided by the value of the variable lot, and the remainder (modulo) is assigned to the variable bolts...
... The variable bolts is divided by the value of the variable lot, and the remainder (modulo) is assigned to the variable bolts...
Conditional Structures (11/30/2008)
... The following script contains a single condition that resolves as false so that the conditional statement is not executed...
... The following script contains a single condition that resolves as false so that the conditional statement is not executed...
Nested Loops, label and continue Statements (10/22/2008)
... When one loop resides inside another loop, it's called a nested loop...
... When one loop resides inside another loop, it's called a nested loop...
Advantages and Disadvantages of AJAX Techniques ~ AJAX Without XMLHttpRequest (11/05/2006)
... Only XMLHttpRequest supports synchronous calls, so if they are necessary for your application, then using it as a fallback will not be possible...
... Only XMLHttpRequest supports synchronous calls, so if they are necessary for your application, then using it as a fallback will not be possible...
AJAX Usability Guidelines (11/05/2006)
... One area in which you'll have a hard time meeting expectations is with bookmarking and the Back/Forward button operations; in many cases, these will no longer work, and you'll need new ways to support bookmarking within your application...
... One area in which you'll have a hard time meeting expectations is with bookmarking and the Back/Forward button operations; in many cases, these will no longer work, and you'll need new ways to support bookmarking within your application...
AJAX Fallback Option 2 ~ Sending a Request Using a Cookie (10/16/2006)
...setCookie('CR',payload); 15 i...
...setCookie('CR',payload); 15 i...
AJAX Fallback Option 1 ~ Sending a Request Using an IFrame (10/15/2006)
... Unless you are making remote scripting-style AJAX requests, working around IFrame limitations will add a significant amount of work to any AJAX development project...
... Unless you are making remote scripting-style AJAX requests, working around IFrame limitations will add a significant amount of work to any AJAX development project...
Cross Browser XMLHttpRequest (10/14/2006)
... This gives us a way to give error messages or to fall back to IFrame requests, if needed...
... This gives us a way to give error messages or to fall back to IFrame requests, if needed...
Technologies of AJAX (10/08/2006)
... RPC allows for the direct mapping of JavaScript types to the server's data types (PHP, Java, and so on) and vice versa...
... RPC allows for the direct mapping of JavaScript types to the server's data types (PHP, Java, and so on) and vice versa...
Integrating AJAX into a Framework (09/20/2006)
... Adding in AJAX pages next to your normal code lets you see the relation, but it makes it much harder to identify all of an application's AJAX-entry points...
... Adding in AJAX pages next to your normal code lets you see the relation, but it makes it much harder to identify all of an application's AJAX-entry points...
What Is Ajax (08/31/2006)
... The results may then be integrated seamlessly into the page being viewed, without that page needing to be refreshed or a new one loaded...
... The results may then be integrated seamlessly into the page being viewed, without that page needing to be refreshed or a new one loaded...
JavaScript as a Primary Development Language for AJAX applications (08/24/2006)
... However, with less-complex elements, such as AJAX communications or visual effects (such as fading an element out), they are less useful because you still have to write all the glue, and that's a large part of the overall code...
... However, with less-complex elements, such as AJAX communications or visual effects (such as fading an element out), they are less useful because you still have to write all the glue, and that's a large part of the overall code...
Promises and Problems of Combining AJAX with Other New Technologies (08/17/2006)
... Flash also has a different look than the rest of the elements on an HTML page, which makes it hard to deliver a consistent feel and operation when using it for small elements within a bigger picture...
... Flash also has a different look than the rest of the elements on an HTML page, which makes it hard to deliver a consistent feel and operation when using it for small elements within a bigger picture...
Goals of AJAX (08/03/2006)
... An example of real-time search is the Google Suggest application (www...
... An example of real-time search is the Google Suggest application (www...
How I Decide Which Open Source AJAX Library to Use (07/10/2006)
... I also want to be able to easily combine the library with other JavaScript libraries, so well-name-spaced functions and variables are a plus...
... I also want to be able to easily combine the library with other JavaScript libraries, so well-name-spaced functions and variables are a plus...
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