The example in this article describes the national province and city second-level linkage drop-down selection menu implemented by js. Share it with everyone for your reference. The details are as follows:
The screenshot of the running effect is as follows:
The online demo address is as follows:
http://demo.jb51.net/js/2015/js-province-city-cho-menu-codes/
The specific code is as follows:
<!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=utf-8" />
<title>js全国省市二级联动下拉选择菜单</title>
</head>
<body>
<script language="javascript" src="city.js"></script>
<form action="" method=post name=form1>
<table width=300 border=0 cellspacing="0" cellpadding="1" !bgcolor=#FFFDE6>
<tr>
<td class="black_con9" align="right">省份：</td>
<td class="black_con9">
<select name="selectp" onChange="selectcityarea('selectp','selectc','form1');">
<option value="0" selected>选择省份</option>
</select>
</td>
</tr>
<tr>
<td class="black_con9" align="right">县/市：</td>
<td class="black_con9">
<select name="selectc">
<option value="0" selected>选择城市</option>
</select>
</td>
</tr>
</table>
</form>
<script language="javascript">
first("selectp","selectc","form1",0,0);
</script>
</body>
</html>I hope this article will be helpful to everyone’s JavaScript programming design.
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