如何解决如何增加预加载器的淡出时间?
我想增加淡出效果的持续时间/时间。这是预加载器的代码(请参阅下面的更多详细信息):
// Preloader
$(window).on('DOMContentLoaded',function() {
if ($('#preloader').length) {
$('#preloader').delay(2000).fadeOut('slow');
}
});
* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
@import url('https://fonts.googleapis.com/css2?family=Montserrat+Alternates:wght@500;700&family=Montserrat:wght@400;600&family=Oswald:wght@500&family=Pacifico&family=Roboto:ital,wght@0,400;0,900;1,500&display=swap');
.svg-file path {
fill: transparent;
stroke-width: 3;
stroke: rgb(1,36,133);
}
.svg-file.z-logo path {
stroke-dasharray: 550;
stroke-dashoffset: 0;
}
.svg-file.z-logo path {
animation: animate-zlogo 2s linear infinite;
}
.svg-file.z-logo svg {
filter: drop-shadow(2px 2px 3px rgba(0,1));
transform: scale(2);
}
.svg-file h2 {
font-family: "Roboto",cursive;
transform: translate(0,50px) skewX(-210deg) rotate(-6deg);
font-size: 3em;
color: #044d77;
}
.svg-file span {
animation: dots 2.5s steps(6,end) infinite;
font-size: 5em;
display: block;
transform: translate(0,65px) skewX(-210deg) rotate(-6deg);
background-color: rgb(5,46,80);
width: 8px;
height: 5px;
}
@keyframes fadein-fadeout {
0% {
opacity: 0;
}
50% {
opacity: 1;
}
100% {
opacity: 0;
}
}
@keyframes animate-zlogo {
0% {
stroke-dashoffset: -50;
}
20% {
stroke-dashoffset: 550;
fill: transparent;
}
40% {
fill: transparent;
stroke-dashoffset: 1100;
}
60% {
stroke-dashoffset: 1100;
fill: #05f7f9;
}
80% {
stroke-width: 0;
fill: #05f7f9;
}
100% {
/* stroke-dashoffset: 0; */
stroke-width: 3;
fill: transparent;
}
}
#preloader {
position: fixed;
z-index: 9999;
overflow: hidden;
background: white;
display: flex;
justify-content: center;
align-items: center;
align-content: center;
top: 0px;
left: 0px;
bottom: 0px;
right: 0px;
}
.z-logo svg {
top: 0px;
left: 0px;
bottom: 0px;
right: 0px;
margin: auto;
justify-content: center;
align-items: center;
align-content: center;
position: relative;
display: flex;
width: 50%;
}
.z-logo::before {
content: "";
top: 0px;
left: 0px;
bottom: 0px;
right: 0px;
margin: auto;
background: black;
position: absolute;
display: inline-flex;
border: 1px solid black;
width: 200px;
height: 200px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="preloader">
<div class="svg-file z-logo">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 133 133" width="133" height="133">
<g id="H">
<path d="M45.33 78.22L87.67 78.22L87.67 133L121.05 133L121.05 0L87.67 0L87.67 49.33L45.33 49.33L45.33 0L11.95 0L11.95 133L45.33 133L45.33 78.22Z" fill="#47AF9A" />
</g>
</svg>
</div>
</div>
这里似乎平滑地淡出,但在我的最后,它没有,有什么方法可以增加淡出时间?
这里还有这一行:$('#preloader').delay(2000).fadeOut('slow');
在我的 js
中也控制淡出动画,但是有什么方法可以增加淡出时间以使其更加平滑已经是?现在看起来好像没有错误,因为我只包含了我的预加载器的代码,但是我的网站有很多 CSS
文件,所以它使处理有点慢那里。有什么建议吗?
解决方法
我不可能在没有看到的情况下猜测是什么影响了您的真实代码中的动画,但是,为了增加持续时间,您可以简单地以毫秒为单位传递所需的时间而不是 slow
,例如:
// Preloader
$(window).on('DOMContentLoaded',function() {
if ($('#preloader').length) {
$('#preloader').delay(2000).fadeOut(6000);
}
});
* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
@import url('https://fonts.googleapis.com/css2?family=Montserrat+Alternates:wght@500;700&family=Montserrat:wght@400;600&family=Oswald:wght@500&family=Pacifico&family=Roboto:ital,wght@0,400;0,900;1,500&display=swap');
.svg-file path {
fill: transparent;
stroke-width: 3;
stroke: rgb(1,36,133);
}
.svg-file.z-logo path {
stroke-dasharray: 550;
stroke-dashoffset: 0;
}
.svg-file.z-logo path {
animation: animate-zlogo 2s linear infinite;
}
.svg-file.z-logo svg {
filter: drop-shadow(2px 2px 3px rgba(0,1));
transform: scale(2);
}
.svg-file h2 {
font-family: "Roboto",cursive;
transform: translate(0,50px) skewX(-210deg) rotate(-6deg);
font-size: 3em;
color: #044d77;
}
.svg-file span {
animation: dots 2.5s steps(6,end) infinite;
font-size: 5em;
display: block;
transform: translate(0,65px) skewX(-210deg) rotate(-6deg);
background-color: rgb(5,46,80);
width: 8px;
height: 5px;
}
@keyframes fadein-fadeout {
0% {
opacity: 0;
}
50% {
opacity: 1;
}
100% {
opacity: 0;
}
}
@keyframes animate-zlogo {
0% {
stroke-dashoffset: -50;
}
20% {
stroke-dashoffset: 550;
fill: transparent;
}
40% {
fill: transparent;
stroke-dashoffset: 1100;
}
60% {
stroke-dashoffset: 1100;
fill: #05f7f9;
}
80% {
stroke-width: 0;
fill: #05f7f9;
}
100% {
/* stroke-dashoffset: 0; */
stroke-width: 3;
fill: transparent;
}
}
#preloader {
position: fixed;
z-index: 9999;
overflow: hidden;
background: white;
display: flex;
justify-content: center;
align-items: center;
align-content: center;
top: 0px;
left: 0px;
bottom: 0px;
right: 0px;
}
.z-logo svg {
top: 0px;
left: 0px;
bottom: 0px;
right: 0px;
margin: auto;
justify-content: center;
align-items: center;
align-content: center;
position: relative;
display: flex;
width: 50%;
}
.z-logo::before {
content: "";
top: 0px;
left: 0px;
bottom: 0px;
right: 0px;
margin: auto;
background: black;
position: absolute;
display: inline-flex;
border: 1px solid black;
width: 200px;
height: 200px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="preloader">
<div class="svg-file z-logo">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 133 133" width="133" height="133">
<g id="H">
<path d="M45.33 78.22L87.67 78.22L87.67 133L121.05 133L121.05 0L87.67 0L87.67 49.33L45.33 49.33L45.33 0L11.95 0L11.95 133L45.33 133L45.33 78.22Z" fill="#47AF9A" />
</g>
</svg>
</div>
</div>
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