[GitHub] [incubator-echarts] alex2wong commented on issue #11365: Failed to execute 'texImage2D' on 'WebGL2RenderingContext': The image element contains cross-origin data, and may not be loaded.

[GitBox <gi...@apache.org>]

alex2wong commented on issue #11365: Failed to execute 'texImage2D' on 'WebGL2RenderingContext': The image element contains cross-origin data, and may not be loaded.
URL: https://github.com/apache/incubator-echarts/issues/11365#issuecomment-538359038
 
 
   I guess you're experiencing CORS issue in **file protocol**. You should make sure your page and  assets are served by http/https protocol and the client code request assets within the same domain. Otherwise, browser would restrict **cross-domain file** to be manipulated in canvas. 
   
   Opening html file directly in browser can **not** serve assets by http protocol apparently.
   
   you can simply use npm to install `http-server` to serve static files.
   ```
   npm i http-server -g
   cd YourFolder
   http-server
   ```
   

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