下拉框

下拉框的值是根据select的value值来显示的

by l xk

HTML

<script src="https://code.jquery.com/jquery-1.11.3.js"></script>
<select name="" id="msg">
  <option value="">请选择</option>
  <option value="0">000</option>
  <option value="1">111</option>
  <option value="2">222</option>
</select>
<br>
<br>
<button>000</button>
<button>111</button>
<button>222</button>

JavaScript

$(function() {
  $("button").on('click', function() {
    //alert(typeof $(this).text());
    var $val = parseInt($(this).text().slice(0, 1));
    $("#msg").val($val);
  });
});