获取下拉列表选中项的值和文本(select)
<html>
<head>
<meta charset="utf-8"/>
<title>获取下拉列表选中项的值和文本(select)</title>
</head>
<body> <select id="myselect">
<option value="fist">1</option>
<option value="second">2</option>
<option value="third">3</option>
</select>
<input type="button" value="所选文本" onclick="alert(getSelectedText('myselect'));" />
<input type="button" value="所选值" onclick="alert( getSelectedValue('myselect'));" />
</body>
</html>
<script>
//获取下拉列表选中项的文本
function getSelectedText(name){
var obj = document.getElementById(name);
for(i=0; i<obj.length; i++){
if(obj[i].selected == true){
return obj[i].innerText; //关键是通过option对象的innerText属性获取到选项文本
}
}
}
//获取下拉列表选中项的值
function getSelectedValue(name){
var obj = document.getElementById(name);
return obj.value; //如此简单，直接用其对象的value属性便可获取到
}
</script>