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我有幾個按鈕屬於同一個類。我想檢索我點擊的按鈕的值。檢索按鈕的唯一值
這裏是我的代碼:
var battons = document.getElementsByClassName("converting_video");
var number_of_buttons = battons.length;
function actual_url() {
while (number_of_buttons > 0) {
for (i = 1; i <= number_of_buttons; i++) {
function getting_url() {
battons[i].addEventListener("click", video_url)
}
function video_url(url) {
alert(url);
}
}
}
}
var battons = document.getElementsByClassName("class_btns");
var number_of_buttons = battons.length;
function actual_url() {
while (number_of_buttons > 0) {
for (i = 1; i <= number_of_buttons; i++) {
function getting_url() {
battons[i].addEventListener("click", video_url)
}
function video_url(url) {
alert(url);
}
}
}
}
<button class="class_btns" value='1'> results </button>
<button class="class_btns" value='2'> results </button>
<button class="class_btns" value='3'> results </button>
<button class="class_btns" value='4'> results </button>
的[JavaScript的可能的複製 - onClick獲取點擊按鈕的ID](http://stackoverflow.com/questions/4825295/javascript-onclick-to-get-the-id-of-the-clicked-button) –