canvas繪圖詳解-05-線條的屬性

//線條寬度 lineWidth = 10; //線條兩端帽子的樣式 lineCap = "butt"(defualt) "round" //圓形 "square" //方形 //線條相接的樣式 lineJoin = "miter"(defualt) //尖角 "bevel" //斜接

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