什么鬼????
Uncaught TypeError: Failed to execute 'getContext' on 'HTMLCanvasElement': 1 argument required, but only 0 present. 这什么情况啊
Uncaught TypeError: Failed to execute 'getContext' on 'HTMLCanvasElement': 1 argument required, but only 0 present. 这什么情况啊
2015-11-25
举报