由于工作需求接触select框多选的情况,以下是我分享的代码,主要是进入页面默认选中、支持多选属性:

1.html内容

multiple=”multiple” 属性为多选属性
<div class="c-n-survey-option">
<select name="0" multiple=”multiple” class="c-n-survey-select" id="mySelect" >
<option>年龄段</option>
<option selected="selected">收入阶段</option>
<option selected="selected">地域</option>
<option>性别</option>
</select>
</div>
<div id="result"></div> <!--输出选中的内容-->

2.JQ代码

$("#mySelect").click(function () { //select多选的情况下选中的内容输出
var res = '';
for (var i = 0; i < $("#mySelect option:selected").length; i++) {
var o = $("#mySelect option:selected")[i];
res += $(o).attr("value") + " , ";
}
$("#result").html(res)
}); //进入页面默认选中
$("#mySelect").change(function(){
$(this).find("option:selected").text();
});
$("#result").html($("#mySelect").find("option:selected").text());

3.展示

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05-07 15:12
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