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Finds the exposed box, if there is one, of a child DOM element.
Useful if you want to check if an element is visible to the user, and how much of it.
npm install predator
Then:
var predator = require('predator');
var box = predator(someElement);
->
{
top: offset from top of screen
left: offset from left of screen
right: right edge offset from left of screen
bottom: bottom edge offset from top of screen
height: height of the exposed region
width: width of the exposed region
hidden: true if the element is completely obscured from view
original: the original result of child.getBoundingClientRect()
}
predator
should be fast enough to use in a render loop, even on mobile devices.
FAQs
finds the exposed portion of an element
The npm package predator receives a total of 12 weekly downloads. As such, predator popularity was classified as not popular.
We found that predator demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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