Custom elements ( web components ) get rendered again when passed as content to html2canvas

[rcsatheeshkumar]

• You are using the latest 1.0.0-alpha 12
• You are testing using the non-minified version of html2canvas and checked any potential issues reported in the console

Bug reports:

When the content passed to html2canvas contains a custom element it is getting rendered again in the actual DOM itself. It could be visually seen getting re-rendered. Please find the sample in the below jsfiddle. How could I stop it from being re-rendered?

jsfiddle.

Specifications:

• html2canvas version tested with: 1.0.0-alpha 12
• Browser & version: Chrome 71.0.3578.98
• Operating system: Mac OS Mojave

[rcsatheeshkumar]

@niklasvh Please give your opinion on this issue. Your help is highly appreciated.

[iyangsheng]

Has it been solved? I have the same problem.

[rajsite]

I'm also seeing similar types of issues with custom elements. The same problems don't seem to happen with html-to-image but unfortunately html-to-image does not support Safari because it relies on foreignObject.

edit: using html2canvas 1.3.3