JS 获取select(多选下拉)中所选值的示例代码
通过js获取select(多选下拉)中所选值，具体实现如下，有需要的朋友可以参考下，希望对大家有所帮助
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>select多选下拉取值 - www.jbxue.com</title> <meta name="Generator" content="EditPlus"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> </head> <body> <script language="JavaScript"> <!-- function checkselect(objname){ o = document.getElementById(objname); t = document.getElementById("output"); var count=0; var intvalue=""; for(i=0;i<o.length;i++){ if(o.options[i].selected){ intvalue+=o.options[i].value+","; count++; } } t.value=intvalue.substr(0,intvalue.length-1); alert(count); } //--> </script> <select name="objsel" size=8 multiple> <option value="0" selected>请选择 <option value="1">测试一 <option value="2">测试二 <option value="3">测试三 <option value="4">测试四 <option value="5">测试五 </select> <input type="button" onclick="checkselect('objsel');" value="输出"> 选中的项目：<input type="text" name="output"> </body> </html>
