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This article mainly shows you "JavaScript how to solve offsetX compatibility problems", the content is easy to understand, clear, hope to help you solve doubts, the following let the editor lead you to study and learn "JavaScript how to solve offsetX compatibility problems" this article.

Resolve offsetX compatibility issues / / offsetX/Y is not supported for Firefox

Function getOffset (e) {

Var target = e.target, / / the target object currently triggered

EventCoord

PageCoord

OffsetCoord

/ / calculate the distance from the current trigger element to the document

PageCoord = getPageCoord (target)

/ / calculate the distance from the cursor to the document

EventCoord = {

X: window.pageXOffset + e.clientX

Y: window.pageYOffset + e.clientY

}

/ / subtract to get the coordinates of the cursor to the first positioned parent element

OffsetCoord = {

X: eventCoord.X-pageCoord.X

Y: eventCoord.Y-pageCoord.Y

}

Return offsetCoord

}

Function getPageCoord (element) {

Var coord = {X: 0, Y: 0}

/ / calculate from the current trigger element to the root node

/ / Sum of offsetLeft or offsetTop values of offsetParent elements at all levels

While (element) {

Coord.X + = element.offsetLeft

Coord.Y + = element.offsetTop

Element = element.offsetParent

}

Return coord

} these are all the contents of the article "how JavaScript solves the problem of offsetX compatibility". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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