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如何使用getUserMedia()拍摄屏幕截图;javascript中的API_Javascript_Html_Canvas_Screenshot - Fatal编程技术网

如何使用getUserMedia()拍摄屏幕截图;javascript中的API

如何使用getUserMedia()拍摄屏幕截图;javascript中的API,javascript,html,canvas,screenshot,Javascript,Html,Canvas,Screenshot,因此,我必须拍摄屏幕截图并将其绘制在画布上,我读到可以使用jsnavigator.mediaDevices.getUserMedia()API来完成,但找不到它的正确用法 请帮助这里有您的用例的完整演练:

因此,我必须拍摄屏幕截图并将其绘制在画布上,我读到可以使用js
navigator.mediaDevices.getUserMedia()
API来完成,但找不到它的正确用法


请帮助

这里有您的用例的完整演练: