我有这个html代码
<!DOCTYPE HTML>
<html dir="rtl">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>country and city list</title>
<script language="javascript">
function websv(state)
{
with(document.getElementById('city'))
{
options.length = 0;
if(state == 0)
{
options[0] = new Option('select your country' , '0');
}
if(state == 1)
{
options[0] = new Option('select your country' , '0');
options[1] = new Option('country1-asia' , '33131');
options[2] = new Option('country2-asia' , '31541');
}
if(state == 2)
{
options[0] = new Option('select your country' , '0');
options[1] = new Option('country3-european' , '43591');
options[2] = new Option('country4- europeasn' , '43891');
}
}
}
</script>
</head>
<body>
<select name="state" onChange="websv(this.value);">
<option value="0">country name</option>
<option value="1">country1</option>
<option value="2">country2</option>
</select>
<select name="city" id="city">
<option value="0">please select your country</option>
</select>
</body>
</html>
现在我需要当用户选择“国家3-欧洲”打开自定义链接的新标签,例如:“国家3-欧洲花生.com”
我为javascript使用了很多函数,但是我不能设置它,并且有问题。
https://stackoverflow.com/questions/52958569
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