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下面哪一个不是jquery对象访问的方法()
A、each(callback)
B、size
C、index(subject)
D、index
参考答案
更多 “ 下面哪一个不是jquery对象访问的方法()A、each(callback)B、sizeC、index(subject)D、index ” 相关考题
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当DOM加载完成后要执行的函数，下面哪个是正确的()A、jQuery(expression，[context])B、jQuery(html，[ownerDocument])C、jQuery(callback)D、jQuery(elements)
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Consider the following:Which statement best describes the meaning of the value for the key_len column?()
A.It shows the total size of the index rowB.It shows how many columns in the index are examinedC.It shows the number of characters indexed in the keyD.It shows how many bytes will be used from each index row
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“______”是访问某网站的正确网址。A．www.rkb.gov.cnB．xyz@ceiaec.orgC．ceiaec.org\index.htmD．ceiaec.org@index.htmA．B．C．D．
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下面所列条目中，（ ）不是标准的SQL语句。A．DELETE INDEX B．CREATE INDEXC．DELETE FROM D．CREATE UNIQUE CLUSTER INDEX
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变量定义语句Dim Index与下面的______等价。 ( )A．Dim Index As LongB．Dim Index As IntegerC．Dim Index As SingleD．Dim Index As Double
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“（）”是访问某网站的正确网址。A.www.rkb.gov.cn
B.xyz@ceiaec.org
C.ceiaec.org\index.htm
D.ceiaec.org@index.htm
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下面哪一个是正确格式的URL？（）A、//ServerA/SharedfilesB、http：//www.scut.edu.cn/index.htmlC、10.1.34D、C:///inetPub/wwwroot/index.html
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以下关于jQuery对象说法正确的是（）。A、jQuery对象是jQuery独有的B、jQuery对象中无法使用DOM对象的任何方法C、jQuery可以使用DOM对象的任何方法D、jQuery对象不是jQuery独有的
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Which two statements are true about a bitmap index？ （）A、It is recommended for the columns that have unique values.B、It can be converted to a B-tree index by using the ALTER INDEX command.C、It has a bitmap segment for each distinct value in the key column， containing a string of bits in which each bit represents the presence or absence of a key column value.D、Updating the key column locks the whole bitmap segment that contains the bit for the key value to be updated.
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Which two statements are true regarding B-tree index（）A、The leaf blocks in the index are doubly linked.B、The leaf node stores a bitmap for each key value.C、The rows with NULL value in key columns also have entries in the index.D、The deletion of a row from the table causes a logical deletion in index leaf block and the space becomes available for the new leaf entry.
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以下描述js文件错误的是（）A、页面访问入口是index.jsp页面B、可以只修改index.jsp里的webletID可以修改C、js文件引用其他js类可以用$import（）方法D、提供的命名空间声明方法为$ns
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多选题Which two statements are true regarding B-tree index（）AThe leaf blocks in the index are doubly linked.BThe leaf node stores a bitmap for each key value.CThe rows with NULL value in key columns also have entries in the index.DThe deletion of a row from the table causes a logical deletion in index leaf block and the space becomes available for the new leaf entry.
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单选题下面哪一个是正确格式的URL？（）A
//ServerA/SharedfilesB
http：//www.scut.edu.cn/index.htmlC
10.1.34D
C:///inetPub/wwwroot/index.html
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