Network Security Internet Technology Development Database Servers Mobile Phone Android Software Apple Software Computer Software News IT Information

In addition to Weibo, there is also WeChat

Please pay attention

WeChat public account

Shulou

A good method for writing HTML5 Canvas multi-layer click event monitoring

2025-03-30 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

Share

Shulou(Shulou.com)06/03 Report--

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

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.

Views: 0

*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.

Share To

Development

Wechat

© 2024 shulou.com SLNews company. All rights reserved.

12
Report