<selectid="multiple1"multiple="multiple"style="width: 300px; height: 300px;"> <optionvalue="A1">A1</option> <optionvalue="A2">A2</option> <optionvalue="A3">A3</option> <optionvalue="A4">A4</option> </select> </
多选下是添加multiple的option,按照一般做法只能取第一个,因此需要遍历一个selected. jQuery下,返回一个字符串: function getMsgDelStaValue() { var status=[];; $('#message_delivery_status option:selected').each(function(){ status.push($(this).val()) }) return status.join(","); } js方式: f...
$("#select_id option[value='4']").prop("selected",true);//设置select中的第一个option被选中$("select :first").prop("selected",true);//这个$("select :first").prop("selected", 'selected'); $("select option:first").prop("selected", "true"); $("select option:first").prop("sele...
<option value="2">two</option> <option value="3">three</option> <option value="4">four</option> </select> <button id="btn">Click me</button> <script type="text/javascript"> $("#btn").on('click',function(){ //console.log($('#myDlist option:selected').val()); console.log...
<option value =”1″>dataOne</option> <option value =”2″>dataTwo</option> <option value =”3″>dataThree</option> </select> 一、select下拉框取值与赋值 1、设置value为3的项选 2、设置text为dataTwo的项选中 $(“#SelectData”).find(“option[text=’dataTwo’]”).attr(“selected”,tru...
1. <select id="MySelectBox" multiple="multiple" name="MySelectBox"> <option value="1">Option 1. 1. 1</option> <option value="2">Option 2</option></select> 1. 1. <select id="MySelectBox" multiple="multiple" name="MySelectBox"> <option value="1">Option 1</option> <option ...
value]; if( this.value == -1){ alert("请选择城市信息!"); } //清空城市select中的option /*var $city = $("#city"); //将JQ对象转成JS对象进行清空 var citySelect = $city.get(0) citySelect.options.length = 0;*/ $("#city").empty(); //采用JQ的方式清空 //遍历城市数据 $(...
<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();
<selectname="garden"multiple="multiple"> <option>Flowers</option> <optionselected="selected">Shrubs</option> <option>Trees</option> <optionselected="selected">Bushes</option> <option>Grass</option> <option>Dirt</option> </select> <div></div> ...
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