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RSS Channels
Add RSS to List: <input type="text" name="txtCombo" id="txtCombo"/>
<input type="button" value="Add " onclick="addCombo()">
<input type="button" value="Delete " onclick="delCombo()">
<br/>
Existing Channels : <select name="combo" id="combo"></select>
var select = document.createElement("select");
var combo = document.getElementById("combo");
var option = document.createElement("option");
option.text = "http://feeds.nytimes.com/nyt/rss/HomePage";
option.value = "http://feeds.nytimes.com/nyt/rss/HomePage";
currentRSS="http://feeds.nytimes.com/nyt/rss/HomePage"
combo.add(option, null);
function delCombo() {
var combo = document.getElementById("combo");
alert("Current Channel " + currentRSS);
combo.remove(currentRSS);
alert("Delete Channel " + currentRSS);
numberRSSChannels--;
document.getElementById("stat1").textContent="Numbers of RSS Channels " + numberRSSChannels;
document.getElementById("combo").value="";
currentRSS="";
changeRSS();
}
我需要使選項添加並刪除我的選擇菜單中的某些選項。 其添加非常簡單,但不能刪除。刪除節點從選擇/組合javascript
當我嘗試從select/combo中刪除某個節點(如示例中)時,它總是刪除第一個節點。 如何刪除currentRSS
?
您有什麼錯誤?你研究過這個問題嗎?請告訴我們你是如何試圖實現這一點的。請閱讀[如何問](http://stackoverflow.com/help/how-to-ask) –