我创建了一个模态窗口,它会在您单击 anchor 时淡入淡出。这个的 HTML 非常简单:
<div id="main_wrapper" class="displayed">
//Some content here
</div>
<div id="dynamic">
//Dynamically generated (AJAX) content here
//the below anchor skips the CSS transition somehow!
<a href='#' onclick='toggleDynamic(); return false;'>Cancel</a>
</div>
//This anchor works exactly as intended
<a href='#' onclick='toggleDynamic(); return false;'>Dynamic</a>
CSS 稍微复杂一些,为了简洁起见,我省略了一些属性:
.displayed{
opacity: 1 !important;
pointer-events: auto !important;
transition: opacity 1s ease-in .5s !important;
}
#main_wrapper{
max-width: 800px;
opacity: 0;
pointer-events: none;
transition: opacity 1s linear;
}
#dynamic{
position: fixed;
display: block;
opacity: 0;
pointer-events: none;
max-width: 800px;
transition: opacity 1s linear;
}
然后我简单地使用一个切换 javascript 函数:
function $I(id) {
return document.getElementById(id);
}
var dynamic = $I('dynamic');
var main = $I('main_wrapper');
function toggleDynamic() {
if(dynamic.className === "") {
dynamic.className = "displayed";
main.className = "";
} else {
dynamic.className = "";
main.className = "displayed";
}
}
除了一件事,上面的所有代码都完全按预期工作 - 当点击#dynamic 中的 anchor 时,div 会消失而没有过渡!我无法理解这一点,因为您可以整天单击外部 anchor 并获得漂亮的淡入淡出过渡。
据我所知,这发生在所有浏览器中(IE、FF、Chrome、Opera)。
编辑:我已经更改了 javascript,因为它之前没有正确处理类名。
最佳答案
我不明白为什么你的 JS 会像现在这样工作,因为你没有修改你的 #dynamic
类,而只是一个变量 (dynamic
)。对我来说,更正后的片段就像一个魅力。
function $I(id) {
return document.getElementById(id);
}
var dynamic = $I('dynamic').className;
var main = $I('main_wrapper').className;
function toggleDynamic() {
if($I('dynamic').className === "") {
$I('dynamic').className = "displayed";
main = "";
} else {
$I('dynamic').className = "";
main = "displayed";
}
}
.displayed{
opacity: 1 !important;
pointer-events: auto !important;
transition: opacity 1s ease-in .5s !important;
}
#main_wrapper{
max-width: 800px;
opacity: 0;
pointer-events: none;
transition: opacity 1s linear;
}
#dynamic{
position: fixed;
display: block;
opacity: 0;
pointer-events: none;
max-width: 800px;
transition: opacity 1s linear;
}
<div id="main_wrapper" class="displayed">
//Some content here
</div>
<div id="dynamic">
//Dynamically generated (AJAX) content here
//the below anchor skips the CSS transition somehow!
<a href='#' onclick='toggleDynamic(); return false;'>Cancel</a>
</div>
//This anchor works exactly as intended
<a href='#' onclick='toggleDynamic(); return false;'>Dynamic</a>
关于javascript - 当从子元素调用的 javascript 更改类时,CSS 转换不起作用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/26195847/