jsがdomを操作してプルダウンリストボックスを生成する方法

 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
       
   
  
 
  
 
  <br>function setFun(){ 
  <br>var id = new Array(1,2,3); 
  <br>var value = new Array("  ","  ","  "); 
  <br>var select = document.getElementById("area"); 
  <br>select.length = 1;//         
  <br>select.options[0].selected = true;//          
  <br>for(var x = 0;x<id.length;x++){ 
  <br>var option = document.createElement("option"); 
  <br>option.setAttribute("value",id[x]);//  option    
  <br>option.appendChild(document.createTextNode(value[x])); 
  <br>select.appendChild(option);// select  option 
  <br>} 
  <br>} 
  <br>