Recommend 5 Canvas.toDataURL special effects (collection)

Problem background: I encountered a requirement to take screenshots of the played video. The video is played using the video tag, and then the real-time frame picture is captured when the video playback area is clicked. The code is very simple as follows: var video = document.getElementById('video'); ​ var canvas = document.getElementById('canvas'); ​ var ctx = canvas.getContext('2d'); ​ var img = document.ge

1. canvas.toDataURL image/png Recommended error handling methods

Introduction: The following editor will bring you a recommendation on how to handle canvas.toDataURL('image/png') error. The editor thinks it's pretty good. Now I'll share it with you and give it a reference. Let's follow the editor and take a look.

2. Quickly solve the Canvas.toDataURL picture Cross-domain problems

Introduction: How to solve the cross-domain problem of Canvas.toDataURL images? The editor below will bring you a quick solution to the cross-domain problem of Canvas.toDataURL images. Let’s follow the editor and take a look

3. javascript - The canvas image comes from api.xx.com, the current domain is m.xx.com, call canvas .toDataURL(), report cross-domain

Introduction: A project uses the Canvas canvas tag of Html5, and the images displayed by the canvas come from the subdomain name api.xx.com , the domain of the current page is m.xx.com. Once canvas.toDataURL() is called through JS, a cross-domain problem will be reported: Redirect at origin 'http://api.xx.c...

4. canvas.toDataURL image/png Recommended error handling method_HTML/Xhtml_Web page production

Introduction: Below The editor will bring you a recommendation on how to handle canvas.toDataURL('image/png') error. The editor thinks it’s pretty good. Now I’ll share it with you and give it a reference. Let’s follow the editor and take a look.

5. Quickly solve the Canvas.toDataURL picture Cross-domain problems_Basic knowledge

Introduction: How to solve the cross-domain problem of Canvas.toDataURL images? The editor below will bring you a quick solution to the cross-domain problem of Canvas.toDataURL images. Let’s follow the editor to take a look.

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