Sunday, February 5, 2023
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Doc.elementFromPoint


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 establish 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 establish the top-most factor at some extent:

const factor = doc.elementFromPoint(100, 100);
// 

If you wish to know all the factor stack, you should use 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 gain advantage from these capabilities. How would you utilize them?

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