class f{ a:number; b:number; sea : number[] =new Array(); say(): void { this.sea[1]=400; } } function sample(){ var f1=new f(); f1.a=0; f1.b=0; var z=new Array(); f1.say(); z=f1.sea; var sub=new svgpaint(); str="<svg width=\"500\" height=\"500\">"; str=str+sub.rect(z[1],z[1],100,100,"red"); str=str+"</svg>"; $("#memo").html(str); }