rhenning

The Phoenix Project

Chapters 1-5

• Bill goes out of his way during his conversation with Dick to understand the real business impact of the payroll outage.
• IT Operations is frequently viewed as a business cost/liability rather than a valued asset, as evidenced by language used to discuss infrastructure. Steve says "IT ... should be like the toilet ... I don't ever

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent