报错知道怎么回事
main.js:13 Uncaught TypeError: Failed to execute 'getContext' on 'HTMLCanvasElement': 1 argument required, but only 0 present 这个怎么回事
main.js:13 Uncaught TypeError: Failed to execute 'getContext' on 'HTMLCanvasElement': 1 argument required, but only 0 present 这个怎么回事
2016-05-30
举报