不能画图的报错
var chess = document.getElementById('chess');
var context = chess.getContext('2d');
context.stroke();
context.moveTo(0,0);
context.lineTo(450,450);
var chess = document.getElementById('chess');
var context = chess.getContext('2d');
context.stroke();
context.moveTo(0,0);
context.lineTo(450,450);
2016-05-06
举报