改变class不为demo的div元素的背景色,以下哪些写法是错误的?()
A:$("div.demo").css("background","blue")
B:$("div:not(.demo)").css({"background":"blue"})
C:$("div:not(.demo)").css({"background","blue"})
D:$("div:not(.demo)").css("background","blue")
出自:计算机科学