我试图通过事件监听器仅单击一下就触发一个功能。但是它发生在两次单击(第一次)后,如果我在一次单击后不执行F5触发。代码->
HTML
<div class="main-header-navbar">
....
<span class="main-header-navbar-right-icons">
<i class="fas fa-search header-icon"></i>
<i class="fas fa-plus header-icon"></i>
</span>
</div>
JS
const ADD_FORM_BUTTON = document.querySelector(".fa-plus");
ADD_FORM_BUTTON.addEventListener("click", function (event) {
event.preventDefault();
if (ADD_FORM.style.display === "none") {
ADD_FORM.style.display = "flex";
} else ADD_FORM.style.display = "none";
});
我想念什么?
您可能需要将style="display: none;"
添加到ADD_FORM
中,以便第一次隐藏它。
const ADD_FORM_BUTTON = document.querySelector(".fa-plus");
const ADD_FORM = document.getElementById("form");
ADD_FORM_BUTTON.addEventListener("click", function(event) {
event.preventDefault();
if (ADD_FORM.style.display === "none") {
ADD_FORM.style.display = "flex";
} else ADD_FORM.style.display = "none";
});
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css" rel="stylesheet" />
<div class="main-header-navbar">
<span class="main-header-navbar-right-icons">
<i class="fas fa-search header-icon"></i>
<i class="fas fa-plus header-icon"></i>
</span>
<div id="form" style="display: none;">ADD_FORM</div>
</div>