function canvas1(){
?? ?var canvas1 = document.getElementById("canvas1");
?? ?var context1 = canvas1.getContext("2d");
?? ?canvas1.width = 500;
?? ?canvas1.height = 500;
?? ?context1.moveTo(50,50);
?? ?context1.lineTo(50,450);
?? ?context1.lineTo(450,450);
?? ?context1.lineTo(450,50);
?? ?context1.lineTo(50,50);
?? ?context1.fillStyle = '#000';
?? ?context1.fill();
?? ?}
舉報(bào)
0/150
提交
取消