Property:
arc:
100,75,50,0*Math.PI,1.5*Math.PI
150,75,50,0*Math.PI,1.5*Math.PI
200,75,50,0*Math.PI,1.5*Math.PI
300,75,50,0*Math.PI,1.5*Math.PI
400,75,50,0*Math.PI,1.5*Math.PI
Canvas:
your browser does not support the canvas tag
Code:
var c = document.getElementById('myCanvas');
var ctx = c.getContext('2d');
ctx.beginPath();
ctx.arc(
100,75,50,0*Math.PI,1.5*Math.PI)
;
ctx.stroke();
单击上面的属性值可查看结果
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