//select一旦发生改变,就通过value值(也就是pid)去servlet中找到该省份对应的城市集合 $("#province").change(function () { //清空select下的子元素option $("#city").empty() //发送一个post请求,把value的值(也就是pid)带到servlet中,servlet响应回来一个data(xml,json) $.post("CityServlet",{pid:$...
GET- 从指定的资源请求数据,发送至服务器的key/value数据会作为QueryString附加到请求URL中,服务器返回数据的格式其实是字符串形式,并不是我们想要的json数据格式 POST- 向指定的资源提交要处理的数据,这个函数跟$.get()参数差不多,多了一个type参数,type为返回的数据类型,可以是html,xml,json等类型,如果我们设置...
$("#city").append("<option value=''>"+name); }); }); }); }) 复制代码 jsp: <body> 省份: <select name="province" id="province"> <option value="">-请选择 - <option value="1">湖北 <option value="2">广东<option value="3">山东 <option value="4">河南 </select> 城市: <...
http://www.codeunit.co.za/2010/03/01/jquery-get-all-selected-values-or-text-from-a-multiple-select-listbox/ Thanks... Wednesday, August 3, 2011 4:13 AM How many list box's will be there on the page? How do you want to get the selected value on button click event or list box ...
$("#bTrade").change(function() { //jquery 中change()函数 $("#quote").load("ajaxTest.php?name="+$("#bTrade").val()); //jqueryajax中load()函数 }); }); </script> <select name="bTrade" id="bTrade"> <option value="a">a</option> ...
JQuery获取标签的值和赋值的方法 下面说一下三者之间的区别: $("#div01").val() val(),表示获取id为div01标签中的value值; val("aaa")针对带有value属性的元素进行赋值, 其实就是给该元素的 value赋值aaa $("#div01").html() .html()获取获取id为div01标签体中的值 ...
selectvalue assign value to fileupload control Assing List Collection Values to textboxes Asynchronous method HttpContext.Current is null Atleast one checkbox is compulsory to be checked Attempt by method 'Microsoft.VisualBasic.CompilerServices.Symbols+Container.InvokeMethod(Method, System.Object[], ...
The.get()method grants access to the DOM nodes underlying each jQuery object. If the value ofindexis out of bounds — less than the negative number of elements or equal to or greater than the number of elements — it returnsundefined. Consider a simple unordered list: ...
Select elements typically have two values that you want to access. First there's the value to be sent to the server, which is easy: 1 2 $("#myselect").val(); // => 1 The second is the text value of the select. For example, using the following select box: ...
("#info").html(); alert(message) } function setHTML() { $("#info").html("马克"); } //--> </SCRIPT> </HEAD> <BODY> <div id="info">mark</div> <INPUT TYPE="BUTTON" ONCLICK="getHTML()" value="获取"> <INPUT TYPE="BUTTON" ONCLICK="setHTML()" value="设置"> </BODY>...