A.document.all.a.style.color B.document.all.a.style.backgroundColor C.document.a.color D.document.a.gackgroundColor
下列代碼能產(chǎn)生()個輸出 1 var i = 1; 2 for(;;i++) 3 if(i) 4 alert(i); 5 else 6 break;
A.0個 B.無限多個 C.19個 D.20個
A.document.menuBar.display += 20 B.document.all.menuBar.pixelLeft += 20 C.document.all.menuBar.left += 20 D.document.all.menuBar.style.pixelLeft += 20