Reacting to occasions with JavaScript is the muse of a dynamic experiences on the internet. Whether or not it is a click on occasion or one other typical motion, responding to that motion is essential. We began with assigning occasions to particular components, then moved to occasion delegation for effectivity, however do you know you may establish components by place on the web page? Let us take a look at doc.elementFromPoint and doc.elementsFromPoint.
The doc.elementFromPoint technique accepts x and y parameters to establish the top-most component at a degree:
const component = doc.elementFromPoint(100, 100); //
If you wish to know all the component stack, you need to use doc.elementsFromPoint:
const components = doc.elementsFromPoint(100, 100); // [, , ]
The elementFromPoint and elementsFromPoint are actually useful for experiences the place builders do not wish to assign particular person occasions. Video games and leisure websites may benefit from these capabilities. How would you employ them?
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