Till here, we have figured out how to find the selected option using jQuery. Now, to find the value of the option, val() method will be used which will help to get the value of the selected element.Syntax:$(selector).val(); These all methods, when used together will return the ...
jQuery 检测select中option的改变事件 通过Jquery中的change函数可以用来检测option中修改后的值; 直接使用JavaScript中的onchange在对改变后的值进行用$(this)取值好像有点问题!! <select name="" id="" style="padding-right: 45px;" class="change-device-group"><option value="1">name/option> </select> ...
<body>省份:<selectname="province"id="province"><optionvalue="">-请选择 -<optionvalue="1">湖北<optionvalue="2">广东<optionvalue="3">山东<optionvalue="4">河南</select>城市:<selectname="city"id="city"><optionvalue="">-请选择 -</select></body>复制代码 方式二:COntroller通过Json与前端...
log(this.value); }); In the above example, we have defined the 2 select options. The event handler can be bound to the select box. When the user selects an option, jQuery will detect that change and the change function is fired. After an event is fired, it will return the ...
$("#city").append("<option value="" + arr[i].value + "">" + arr[i].display + "</option>") }); } }); Copy CSS File:select_jquery.css Styling HTML Elements. /* Below line is used for online Google font */@importurl(http://fonts.googleapis.com/css?family=Droid+Serif);h2...
<optionvalue="5">Prof</option> </select> If you wanted to get the string "Mr" if the first option was selected (instead of just "1") you would do that in the following way: 1 2 $("#myselect option:selected").text();
jQuery Method: Method to getSelected Valuefrom a select box: HTML <select id="singleSelectValueDDjQuery" class="form-control"> <option value="0">Select Value 0</option> <option value="8">Option value 8</option> <option value="5">Option value 5</option> ...
("#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>...
JS/Jquery实现select选中option触发事件 2019-12-19 09:59 − js <select id="pid" onchange="gradeChange()"> <option value="a">选项一</option> <option value="b">选项二</option> </se... Mr.渣、 0 27166 select count(1)和 select count(*) 2019-12-21 10:46 − count(1),...
首先,在需要调用JQuery的页面里,用script标签导入Jquery文件,例如: 1 <script src="static/js/jquery-3.2.1.min.js"></script> 然后,网页空白的地方,申明你的方法以及需要传递的参数,你可以这样做: 123456789 <script> function doPost(url) { var val1 = document.getElementsByName("key1").value; var va...