[英]Change Parent Div Background onclick form multiple Child Div li
我正在尝试使用多个li实例使父div背景img更改onclick。 每个李应将背景更改为该状态的地图。 我成功地做到了这一点
这有效:
<ul>
<li><div class="panel-heading" role="tab" id="stateNine">
<h3 class="panel-title"> <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion3" href="#stateal" aria-expanded="false" aria-controls="stateal">Alabama | </h3></div>
</li>
<script>function changeBackground() {
event.currentTarget.className = ('bucketal');
}</script>`
这一次起作用,它将在每个按钮上触发最后一个脚本实例,而忽略前一个。 背景更改,但仅更改为最后一个实例的背景。 共有9个不同实例的总数。 (显示3)
<div onclick="changeBackground(this)" class="bucket2">
<div class="locations">
<div class="panel-group" id="accordion3" role="tablist" aria-multiselectable="true">
<div class="panel panel-default loc" style="background-color;none;">
<ul>
<li><div class="panel-heading" role="tab" id="stateNine">
<h3 class="panel-title"> <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion3" href="#stateal" aria-expanded="false" aria-controls="stateal">Alabama | </h3></div>
</li>
<script>function changeBackground() {
event.currentTarget.className = ('bucketal');
}</script>
<li><div class="panel-heading" role="tab" id="stateEight">
<h3 class="panel-title"> <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion3" href="#statefl" aria-expanded="false" aria-controls="statefl">Florida | </h3></div>
<script>function changeBackground() {
event.currentTarget.className = ('bucketfl');
}</script></li>
<li><div class="panel-heading" role="tab" id="stateSeven">
<h3 class="panel-title"> <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion3" href="#statega" aria-expanded="false" aria-controls="statega">Georgia | </h3></div>
<script>function changeBackground() {
event.currentTarget.className = ('bucketga');
}</script></li></li>
这里有很多不错的帖子,但是我没有找到多个实例的答案。 如果我错过了,我深表歉意。 我很欣赏我可能没有遵循内联HTML / JS实例的最佳做法,并且对最佳/新解决方案持开放态度。
<div id="changeBackground">
<button data-class="red">
Red
</button>
<button data-class="blue">
blue
</button>
<button data-class="green">
green
</button>
</div>
JS
var el = document.getElementById("changeBackground");
el.addEventListener("click", changeBackground);
function changeBackground(e) {
e.currentTarget.className = e.target.getAttribute('data-class');
}
CSS:
.red {
background-color: red;
}
.green {
background-color: green;
}
.blue {
background-color: blue;
}
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