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2025-03-30 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly introduces "a good preparation method of HTML5 Canvas multi-layer click event monitoring". In daily operation, I believe that many people have doubts about a good writing method of HTML5 Canvas multi-layer click event monitoring. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer "a good compilation method of HTML5 Canvas multi-layer click event monitoring". Next, please follow the editor to study!
The code is as follows:
Document
.box > canvas {
Position: absolute
}
Function getRect (obj) {
Var x1 = obj.offsetLeft
Var Y1 = obj.offsetTop
Var x2 = x1+obj.offsetWidth
Var Y2 = y1+obj.offsetHeight
Return {
X1: x1
Y1: y1
X2: x2
Y2: y2
}
}
Function inside (x, y, rect) {
If (x > rect.x1 & & xrect.y1 & & y
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