• 2022-06-12
    使用JavaScript将某个元素背景颜色变为红色的语句是( )。
    A: element.style.backgroundColor = "red";
    B: element.style.color = "red";
    C: element.style.backColor = "red";
    D: element.style.foreColor = "red";
  • A

    举一反三

    内容

    • 0

      下列选项中,用于设置文本颜色为红色的是() A: color: red B: font-size: red C: font-size: 24px D: style:red

    • 1

      假设一个线性表包含元素{"red","green","red","green"}.下列代码执行后,线性表是______________?Stringelement="red";for(inti=list.size()-1;i>;=0;i--)if(list.get(i).equals(element))list.remove(element); A: {"red","red","green"} B: {"red","green"} C: {"green","green"} D: {"green"} E: {}

    • 2

      假设ArrayListlist包含{“red”,“red”,“green”}。以下代码执行后的list是什么?Stringelement="red";for(inti=0;i<list.size();i++)if(list.get(i).equals(element))list.remove(element); A: {"red","red","green"} B: {"red","green"} C: {"green"} D: {}

    • 3

      假设一个ArrayList列表包含{"red","red","green"},下面的代码执行后列表的内容为_________?Stringelement="red";for(inti=0;i&lt;list.size();i++)if(list.get(i).equals(element))list.remove(element); A: {"red","red","green"} B: {"red","green"} C: {"green"} D: {}

    • 4

      假设一个ArrayList列表包含{"red","red","green"},下面的代码执行后列表的内容为_________?Stringelement="red";for(inti=list.size()-1;i&gt;=0;i--)if(list.get(i).equals(element))list.remove(element); A: {"red","red","green"} B: {"red","green"} C: {"green"} D: {}