How does ie8 implement echarts to export pictures (getDataUrl is not supported)

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now the project needs to support ie8 to export echarts charts to excel, but the getDataUrl of echarts under ie8 does not support
canvas"s toDataUrl, nor can it
find a solution under ie8!
search svg,canvasie8 does not support
or what icon plug-in can export pictures under Ie8

Ie8 canvas echarts

Mar.12,2021

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