单项选择题
A.$(“[name=’username’]”)B.:evenC.:eq(index)D.:lt(index)
A.$(“tr:odd”)B.$(“tr:eq(2)”)C.$(“tr:gt(1)”)D.$(“tr:gt(2)”)
A.class是类选择器B.#id可以通过标签的id属性找到该标签C.*不属于jQuery的选择器D.element为jQuery的元素选择器
A.$(“#k p”)B.$(“#k~p”)C.$(“#k+p”)D.$(“#k>p”)
A.$(“#title”)B.$(“div class=title”)C.$(“div.title”)D.$(“divclass=title”)
A.类选择器B.id选择器C.后代选择器D.标记选择器
A.$(“#myId”)B.$(“.myClass”)C.$(“p”)D.$(“#p”)
A.$(h2)B.$(“h2”)C.$(“.h2”)D.$(“#h2”)
A.onFocusB.onBlurC.onSubmitD.onKeyDown
A.13B.enterC.9D.tab
A.$(“div”).css({"border":"1px solid red";"color":"blue"})B.$(“div”).css("border":"1px solid red";"color":"blue")C.$(“div”).addCss({"border":"1px solid red","color":"blue"})D.$(“div”).css({"border":"1px solid red","color":"blue"})