多项选择题
You are implementing an ASP.NET AJAX page. You add the following control to the page.
You need update the contents of the UpdatePanel without causing a full reload of the page. Which two actions should you perform?()
A.Add the following control before the UpdatePanel.
B.Add the following control within the UpdatePanel.
C.Add an AsyncPostBackTrigger that references Timer1.
D.Add a PostBackTrigger that references Timer1.
相关考题
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单项选择题
You create a Web page that contains the following code. You need to ensure that when the user clicks an item in the list, the text color of the "Welcome!" message will change. Which declaration should you use?()
A.<ul id="color"> <li onclick="changeColor(this.innerText);">Black</li> <li onclick="changeColor(this.innerText);">Red</li> </ul>
B.<ul id="color"> <li onclick="changeColor(this.style.color);">Black</li> <li onclick="changeColor(this.style.color);">Red</li> </ul>
C.<ul id="color"> <li><a onfocus="changeColor(this.innerText);">Red</a></li> <li><a onfocus="changeColor(this.innerText);">Black</a></li> </ul>
D.<ul id="color"> <li><a onfocus="changeColor(this.innerText);">Red</a></li> <li><a onfocus="changeColor(this.innerText);">Black</a></li> </ul> -
单项选择题
You create a Web page that contains the following code. You need to provide the following implementation. Each time the AddFile button is clicked, a new div element is created. The new div element is appended after the other file upload div elements and before the AddFile span. Each new element has a unique identifier. Which code segment should you use?()
A.$("#AddFile").click(function () {var id = "File" + ++lastId; var item =$(".File:first").clone(true); $("input:file", item).attr({ id: id, name: id }); item.insertBefore("#AddFile"); });
B.$("#AddFile").click(function () {var id = "File" + ++lastId;$(".File:first").clone(true).attr({ id: id, name: id }).insertBefore("#AddFile"); });
C.$("#AddFile").click(function () {var id = "File" + ++lastId; });
D.$("#AddFile").click(function () {var id = "File" + ++lastId;var item = $(".File:first").clone(true); $("input:file", item).attr({ id: id, name: id }); item.insertAfter("input[type=file]"); }); -
单项选择题
YoucreateaWebpagethatcontainsthefollowingdiv.YouhaveaJavaScriptarraynamedimageurlsthatcontainsalistofimageURLs.YouneedtowriteaJavaScriptfunctionthatwillinsertimagesfromtheURLsintotarget.Whichcodesegmentshouldyouuse?()
A.$(imageurls).each(function(i,url){ $("
", url).append("#target"); });
B.$(imageurls).each(function(i,url){ $("#target") += $("").attr("src", url); });
C.$.each(imageurls, function(i,url){ $("").attr("src", url).appendTo("#target"); });
D.$.each(imageurls, function(i,url){$("#target").append("").src = url; });
