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我有兩個dropdownlists: 用戶可以選擇的值,當他在按鈕cliked它重定向他的WWWW ...下拉列表 - 兩個選項
function loadNew() {
selectLetter = document.forms[0].letter.value.toString() + document.forms[0].number.value.toString();
switch (selectLetter) {
case "12":
location.href = "http://";
break;
case "21":
location.href = "http://";
break;
default:
location.href = "http://";
break; }
}
</script>
</head>
身體:
<body onLoad="visibilityT()"> <form onSubmit> <select name="letter" id="letter" ">
<option></option>
<option>1</option>
<option>2</option>
</select><select name="number" id="number">
<option></option>
<option>1</option>
<option>2</option>
</select>
<input type="button" value="Submit" onClick="loadNew()">
</form>
如何禁用選項,用戶可以選擇相同的值?
聽起來不錯,但它怎麼樣? – user2458768
這裏有一些可以幫助的鏈接,雖然他們只給出做法...... http://neerajkhandelwal.wordpress.com/2011/10/22/creating-html-elements-dynamically/ – PythonIITD
和http: /viralpatel.net/blogs/dynamic-combobox-listbox-drop-down-using-javascript/ – PythonIITD