已采納回答 / 小黍
fruitObj.prototype.num=30;fruitObj.prototype.init=function這兩句你都多出了一個括號,正確的如上,fruitObj后不要括號
2016-11-04
已采納回答 / 碼農2012
ctx2.drawImage(this.pic,this.x[i]-this.l[i]*0.5,this.y[i]-this.l[i]*0.5,this.l[i],this.l[i]);去掉pic前面的.this
2016-10-21
已采納回答 / 請叫我蝸牛小姐
ctx2.save();??? ctx2.globalAlpha = 0.6;??? ctx2.lineWidth = 20;??? ctx2.lineCap = "round";??? ctx2.strokeStyle = "#3b154e";??? for (var i = 0; i < this.num;i++)??? {??????? ctx2.beginPath();??????? ctx2.moveTo(this.x[i], canHeight);??????? ctx2.lineTo(...
2016-10-09