Posted in Javascript onFebruary 24, 2014
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>利用dom生成下拉列表框</title> </head> <body onload="setFun()"> <form> <select name="area" id="area"> <option value="0">没有地区</option> </select> </form> <script language="javascript"> function setFun(){ var id = new Array(1,2,3); var value = new Array("贵州","重庆","四川"); var select = document.getElementById("area"); select.length = 1;//设置只能选择一个 select.options[0].selected = true;//设置默认选中第一个 for(var x = 0;x<id.length;x++){ var option = document.createElement("option"); option.setAttribute("value",id[x]);//设置option属性值 option.appendChild(document.createTextNode(value[x])); select.appendChild(option);//向select增加option } } </script> </body> </html>
js操纵dom生成下拉列表框的方法
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