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 possibly can establish components by place on the web page? Let’s take a look at doc.elementFromPoint and doc.elementsFromPoint.
The doc.elementFromPoint technique accepts x and y parameters to establish the top-most ingredient at some extent:
const ingredient = doc.elementFromPoint(100, 100); //
If you wish to know the whole ingredient 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 wish to assign particular person occasions. Video games and leisure websites may benefit from these features. How would you employ them?
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