我遇到的参数传递中 双引号单引号嵌套问题

最近学vml：：cakepie.innerHTML="<v:shape id='cake"+(i+1)+"'type='#Cake_3D'"+
                            " style='position:absolute;left:"+(_left + Height / 8)+"px;top:"+(_top + Height / 24)+"px;WIDTH:"+Height+"px;HEIGHT:"+Height+"px;rotation:"+rotates+";z-index:"+zIndex+"' adj='"+adjs+",0'"+
                            "stroked='false' fillcolor='"+this.Cakes[i][2]+"' onclick='moveCake(cake"+(i+1)+",rec"+(i+1)+")' onmouseover='moveover(\""+this.Cakes[i][0]+"\","+this.Percent[i]+")' onmouseout='moveout()'>"+
                            "<v:fill opacity='60293f' color2='fill lighten(120)' o:opacity2='60293f' rotate='t' angle='-135' method='linear sigma' focus='100%' type='gradient'/>"+
                            "<o:extrusion v:ext='view' on='t' backdepth='16' rotationangle='60' viewpoint='0,0'viewpointorigin='0,0' skewamt='0' lightposition='-50000,-50000' lightposition2='50000'/>"+
                            "</v:shape>";

其中红色部分的moveover函数第一个参数是 cake的名字，由于本身在一个双引号的字符串里面， 开始时候是这么写的：onmouseover='moveover("+this.Cakes[i][0]+","+this.Percent[i]+")' 

在moveover函数中怎么也获取不到this.Cakes[i][0]的值。 后来在两边加了单引号onmouseover='moveover(‘"+this.Cakes[i][0]+"',"+this.Percent[i]+")'  还是不行，最后 用转译斜杠+双引号（蓝色部分）解决了

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