使用wpaint绘图软件时:Uncaught DOMException: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The image argument is a canvas element with a width or height of 0. 一.总结 一句话总结:通过删除法和最简单模式找错,发现是style="display: none;"这个位置引发的错误 <div class="…

问题描述 当用户点击分享按钮时,生成一张海报,可以保存图片分享到朋友圈,用户的图片是存储在阿里云的OSS,当海报完成后,执行.canvas.toDataURL("image/png")时,出现index.html:28 Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported的错误提示,这句话的翻译是uncaught…

说明:在chrome下面,编辑文章插入的图片,点击到图片上面,没有菜单显示. 报错: tinymce.min.js:10 Uncaught DOMException: Failed to execute 'setBaseAndExtent' on 'Selection': There is no child at offset 1. at B.<anonymous> (https://sternerstuffdesign.com/wp/wp-includes/js/tinymce/tinymc…

Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported 一.总结 一句话总结:解决方案是图片设置crossOrigin属性 图片设置 :crossOrigin属性代码片段:img.setAttribute("crossOrigin",'Anonymous') 大概意思是canvas无法执行toDataURL方法:污染…

解决办法是加一个等待时间即可解决问题: setTimeout(function () { you code }, );…

mui框架做的微信公众号网页,在上传数据的时候报了这个错,async: true,//将false改为true就可以了 https://blog.csdn.net/liuzp111/article/details/5145476…

npm  run dev 运行项目后 验证码显示不出来 并报错 Uncaught (in promise) DOMException: Failed to execute 'open' on 'XMLHttpRequest': Invalid URL 解决:url 前面加 http://…

Uncaught DOMException: Failed to construct 'WebSocket': The URL 'xxx.xxx.com/' is invalid. 出现这个问题是构造 WebSocket失败了. js代码改成 //实现化WebSocket对象,指定要连接的服务器地址与端口 建立连接 //等同于socket = new WebSocket(path+"/websocket/service8888");socket = new WebSocket(&quo…

patchUpload.vue?5e29:406 Uncaught (in promise) DOMException: Failed to execute 'readAsArrayBuffer' on 'FileReader': The object is already busy reading Blobs.…

canvas绘制图片,由于浏览器的安全考虑,如果在使用canvas绘图的过程中,使用到了外域的图片资源,那么在toDataURL()时会抛出安全异常: Uncaught SecurityError: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported. 解决方案1. 如果想使用toDataURL()生成图片文件的话,在canvas绘图过程中使用的图片应该是当前域下的.…