我在按钮上有一些数据属性，当单击这些按钮时，我需要将它们作为内容发送到 div。到目前为止我的代码的一部分是这样的：
function getDiscount() {
var buttons = document.querySelectorAll(".form-button");
buttons.forEach(function(item, index) {
item.addEventListener('click', function() {
var discount = getDiscount(this);
});
});
function getDiscount(clicked_element) {
var val = clicked_element.getAttribute("data-discount");
return val;
}
};<div class="discount__Topics">
<div><strong class="discount-amount">50</strong>%</div>
<div class="offers">
<button class="form-button" data-discount="38">Offer 1</button>
<button class="form-button" data-discount="50">Offer 2</button>
<button class="form-button" data-discount="22">Offer 3</button>
<button class="form-button" data-discount="88">Offer 4</button>
</div>
</div>
<div class="discount__Topics">
<div><strong class="discount-amount">60</strong>%</div>
<div class="offers">
<button class="form-button" data-discount="12">Offer 1</button>
<button class="form-button" data-discount="32">Offer 2</button>
<button class="form-button" data-discount="44">Offer 3</button>
<button class="form-button" data-discount="55">Offer 4</button>
</div>
</div> …