题目内容

Which of the following sign is used as a shortcut for jQuery?

A. the % sign
B. the & sign
C. the $ sign
D. the @ sign

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Which of the following jQuery method is used to hide the selected elements?

A. The hidden() method
B. The hide() method
C.The visible(false) method
D. The display(none) method

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What does the syntax $("p.para") will select?

A. The first paragraph element with class = "para"
B. The first paragraph element with id = "para"
C. The first paragraph element with name = "para"
D. All paragraph elements with class = "para"

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S=“Beijing＆Nanjing” T=“jing”， INDEX（S，T）=（）。

A. 2
B. 3
C. 4
D. 5

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以下叙述中正确的是（）

A. 串是一种特殊的线性表
B. 串的长度必须大于零
C. 串中元素只能是字母
D. 空串就是空格串

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Which of the following sign is used as a shortcut for jQuery?

A. the % sign B. the & sign C. the $ sign D. the @ sign

Which of the following jQuery method is used to hide the selected elements?

What does the syntax $("p.para") will select?

S=“Beijing＆Nanjing” T=“jing”， INDEX（S，T）=（ ）。

以下叙述中正确的是（ ）

A. the % sign
B. the & sign
C. the $ sign
D. the @ sign

S=“Beijing＆Nanjing” T=“jing”， INDEX（S，T）=（）。

以下叙述中正确的是（）