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