Emergic: Rajesh Jain's Blog

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10 Places to Use Ajax

December 13th, 2005 · No Comments

Alex Bosworth has some suggestions. Among them:

# Form driven interaction.

Forms are slow. Very slow. Editing a tag on a del.icio.us bookmark? Click on the edit link to load the edit bookmark form page, then edit the field and hit submit to wait for the submission to go through, then return to the previous page and scroll down to find the bookmark to see if the tags look right. Ajax? Click on the edit link to instantly start changing tags, click on the submit button to asynchronously send off changes to the tags and quickly see in place what changed, no reloading the entire page.

# Deep hierarchical tree navigation.

First of all, applications with deep hierarchical tree navigation are generally a nightmare. Simple flat topologies and search/tagging works very well in most circumstances. But if an application really calls for it, use Javascript to manage the topology ui, and Ajax to lessen the burden on the server by lazy loading deep hierarchy data. For example: it’s way too time consuming to read discussion threads by clicking through and loading completely new pages to see a one line response.

Tags: Software

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