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JS method to change the option attribute in select_javascript skills

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2016-05-16 15:36:422044browse

The example in this article describes the method of changing the option attribute in select using JS. Share it with everyone for your reference. The details are as follows:

Help a friend solve a small problem. The requirement is to change the text value displayed in the selected tab, and the new value is stored in a certain text box

Initial window: 

<html>
 <head>
  <title>原窗口</title>
  <script>
   var parentValue=""; //全局变量，用于保存点击详情时select中指定opeion的值
   function detail() {
    var select=document.getElementById('SHGX'); //获得select对象
    parentValue=select.options[select.selectedIndex].text; 
    window.open('详情窗口.html')
   }
   function updateSelect(childValue) {
    var select=document.getElementById('SHGX'); 
    for(var i=0;i<select.length;i++) {
     if(select.options[i].text==parentValue) 
      select.options[i].text=childValue;
    }    
   }
  </script>
 </head>
 <body>
  <select id='SHGX'>
   <option value='111' title='夫'>夫</option>
   <option value='112' title='妻'>妻</option>
   <option value='120' title='子'>子</option>
   <option value='121' title='独生子'>独生子</option>
   <option value='122' title='继子'>继子</option>
   <option value='128' title='女婿'>女婿</option>   
  </select>
  <button onclick="detail(); ">详情</button>
 </body>
</html>

Details window: 

<html>
 <head>
 <title>详情窗口</title>
 <script>
  function modify() {
  var childValue=document.getElementById('text_01').value;
  opener.updateSelect(childValue); //调用父窗口的函数
  }
 </script>
 </head>
 <body>
 <input id="text_01" type="text" value=""/>
 <button onclick="modify();">修改</button>
 </body>
</html>

I hope this article will be helpful to everyone’s JavaScript programming.

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