The JavaScript Canvas to Blob function has zero dependencies.However, Canvas to Blob is a very suitable complement to the JavaScript Load Image function.APIIn addition to the canvas.toBlob polyfill, the JavaScript Canvas to Blob script provides one additional function called dataURLtoBlob, which ...
This will install the JavaScript files inside./node_modules/blueimp-canvas-to-blob/js/relative to your current directory, from where you can copy them into a folder that is served by your web server. Next include the minified JavaScript Canvas to Blob script in your HTML markup: ...
我正在使用 HTMLCanvas 返回async toBlob() 函数之外的 blob 对象的元素。此函数不返回输出值,因此我试图在外部声明一个变量并通过命令访问它。 对于这种情况,我如何使用 JS Promise? var myblob; canvas.toBlob(function(blob) { myblob = blob; console.log("inside " + myblob); // getting value after...
我认为Safari不支持toBlob方法:https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/toBlob#Browser_compatibility根据这一点,它只适用于Chrome 50+和Firefox(19+的基本支持和25+的图像质量参数)与IE 10及以上的一些基本支持。所以对Safari没有任何支持。 编辑:根据引用的URL,为2017年9月19日发布...
Hello, When I am trying to use toBlob it gives me " Uncaught (in promise) DOMException: Failed to execute 'toBlob' on 'HTMLCanvasElement': Tainted canvases may not be exported." I am trying this : // looping through thumbnail list to upd...
JavaScript Canvas to Blob 是一个将画布元素转换为 Blob 对象的函数 .zip JavaScript Canvas to Blob 是一个将画布元素转换为 Blob 对象的函数。JavaScript 画布到 Blob内容描述设置用法要求浏览器API测试执照描述Canvas to Blob 是 针对不支持标准 JavaScript HTMLCanvasElement.toBlob方法的浏览器的polyfill 。它可用...
JavaScript-Canvas-to-Blob-master 宿妖**S-上传333KB文件格式zipjavascriptjava Canvas to Blob 是一个用于不支持标准 JavaScript HTMLCanvasElement.toBlob 方法的浏览器的兼容性解决方案 (0)踩踩(0) 所需:1积分
自问自答,发现一个 polyfill JavaScript-Canvas-to-Blob 解决了 HTMLCanvasElement.toBlob 的兼容性 有用 回复 lavyun 1.1k4919 发布于 2017-03-17 不需要再转成二进制,七牛支持直接传base64,当然你也可以把base64传给后台,后台传到七牛。http://www.cnblogs.com/smartXiang/p/6562357.html ...
JavaScript-Canvas-to-Blob.zip Re**弥补上传237KB文件格式zipJavaScript JavaScript Canvas to Blob is a function to convert canvas elements into Blob objects. (0)踩踩(0) 所需:1积分
The JavaScript Load Image library has zero dependencies, but benefits from the following two polyfills: blueimp-canvas-to-blob for browsers without native HTMLCanvasElement.toBlob support, to create Blob objects out of canvas elements. promise-polyfill to be able to use the Promise based loadImage...