<select οnchange=”myFunction(event)” id=”test”>
<option label=”北京” value=”BJ”></option>
<option label=”上海” value=”SH”></option>
<option label=”天津” value=”TJ”></option>
<option label=”广州” value=”GZ”></option>
<option label=”深圳” value=”SZ”></option>
<option label=”石家庄” value=”SHZ”></option>
</select>
<input class=”form-control” id=”myText” type=”text” value=”” style=”display: none;”>
<script type=”text/javascript”>
function myFunction(e){
var val = document.getElementById(“myText”).value = e.target.value;
console.log(val);
}
</script>