Reflow in the DOM Environment: Comprehensive Explanation
Reflow, a fundamental process within a Document Object Model (DOM) environment, plays a vital role in maintaining the visual representation of web pages. Understanding the various scenarios that trigger reflow can help developers optimize their code for improved performance.
Types of Activities Triggering Reflow
According to http://www.nczonline.net/blog/2009/02/03/speed-up-your-javascript-part-4/, reflow occurs in the following cases:
However, http://dev.opera.com/articles/view/efficient-javascript/?page=3 suggests that:
Reconciliation
It's important to note that both articles fundamentally agree. Generally, any activity that involves recalculating element dimensions can potentially trigger reflow. This includes:
Additional Considerations
In summary, while specific implementation details may vary across browsers, it's prudent for developers to understand that all the scenarios mentioned above can potentially trigger reflow in a DOM environment. By accounting for these factors, developers can optimize their code and improve the overall performance of their web applications.
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