javascript - JS网页预加载器的一些问题
问题描述
我正在尝试在网页上创建一个简单的预加载器,但我几乎没有错误。JS 代码不工作。此代码应该在网页完全加载然后完全消失之前工作有人知道如何解决这个问题或其他方式或其他方式吗?我将不胜感激任何建议和帮助。
function preloader() {
$(() =>{
setInterval(() => {
const p = ('.preloader');
p.css('opacity', '0');
}, 3000);
setInterval(
() => p.remove(),
parseInt(p.css('--duration')) * 1000
);
});
}
preloader();
body{
height: 100%;
width: 100%;
font-family: Verdana, sans-serif;
}
#loader-container{
min-height: 1080px;
min-width: 1920px;
z-index: 999999;
background-color: #000000;
opacity: 1;
transition: opacity .35s;
-webkit-transition: opacity .35s;
-moz-transition: opacity .35s;
-o-transition: opacity .35s;
}
#load {
position:absolute;
width:1200px;
height:36px;
left:40%;
top:40%;
margin-left:-300px;
overflow:visible;
-webkit-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none;
cursor:default;
}
#load div {
font-size: 90px;
position:absolute;
width:20px;
height:36px;
opacity:0;
font-family:Helvetica, Arial, sans-serif;
animation:move 2s linear infinite;
-o-animation:move 2s linear infinite;
-moz-animation:move 2s linear infinite;
-webkit-animation:move 2s linear infinite;
transform:rotate(180deg);
-o-transform:rotate(180deg);
-moz-transform:rotate(180deg);
-webkit-transform:rotate(180deg);
color:#35C4F0;
}
#load div:nth-child(2) {
animation-delay:0.2s;
-o-animation-delay:0.2s;
-moz-animation-delay:0.2s;
-webkit-animation-delay:0.2s;
}
#load div:nth-child(3) {
animation-delay:0.4s;
-o-animation-delay:0.4s;
-moz-animation-delay:0.4s;
-webkit-animation-delay:0.4s;
}
#load div:nth-child(4) {
animation-delay:0.6s;
-o-animation-delay:0.6s;
-moz-animation-delay:0.6s;
-webkit-animation-delay:0.6s;
}
#load div:nth-child(5) {
animation-delay:0.8s;
-o-animation-delay:0.8s;
-moz-animation-delay:0.8s;
-webkit-animation-delay:0.8s;
}
#load div:nth-child(6) {
animation-delay:1s;
-o-animation-delay:1s;
-moz-animation-delay:1s;
-webkit-animation-delay:1s;
}
#load div:nth-child(7) {
animation-delay:1.2s;
-o-animation-delay:1.2s;
-moz-animation-delay:1.2s;
-webkit-animation-delay:1.2s;
}
@keyframes move {
0% {
left:0;
opacity:0;
}
35% {
left: 41%;
-moz-transform:rotate(0deg);
-webkit-transform:rotate(0deg);
-o-transform:rotate(0deg);
transform:rotate(0deg);
opacity:1;
}
65% {
left:59%;
-moz-transform:rotate(0deg);
-webkit-transform:rotate(0deg);
-o-transform:rotate(0deg);
transform:rotate(0deg);
opacity:1;
}
100% {
left:100%;
-moz-transform:rotate(-180deg);
-webkit-transform:rotate(-180deg);
-o-transform:rotate(-180deg);
transform:rotate(-180deg);
opacity:0;
}
}
@-moz-keyframes move {
0% {
left:0;
opacity:0;
}
35% {
left:41%;
-moz-transform:rotate(0deg);
transform:rotate(0deg);
opacity:1;
}
65% {
left:59%;
-moz-transform:rotate(0deg);
transform:rotate(0deg);
opacity:1;
}
100% {
left:100%;
-moz-transform:rotate(-180deg);
transform:rotate(-180deg);
opacity:0;
}
}
@-webkit-keyframes move {
0% {
left:0;
opacity:0;
}
35% {
left:41%;
-webkit-transform:rotate(0deg);
transform:rotate(0deg);
opacity:1;
}
65% {
left:59%;
-webkit-transform:rotate(0deg);
transform:rotate(0deg);
opacity:1;
}
100% {
left:100%;
-webkit-transform:rotate(-180deg);
transform:rotate(-180deg);
opacity:0;
}
}
@-o-keyframes move {
0% {
left:0;
opacity:0;
}
35% {
left:41%;
-o-transform:rotate(0deg);
transform:rotate(0deg);
opacity:1;
}
65% {
left:59%;
-o-transform:rotate(0deg);
transform:rotate(0deg);
opacity:1;
}
100% {
left:100%;
-o-transform:rotate(-180deg);
transform:rotate(-180deg);
opacity:0;
}
}
<div class="container preloader" id="loader-container">
<div id="load">
<div>G</div>
<div>N</div>
<div>I</div>
<div>D</div>
<div>A</div>
<div>O</div>
<div>L</div>
</div>
</div>
解决方案
你包含了 jQuery 吗?这样做,然后是这样的:
$(() => {
const p = $('.preloader');
setInterval(() => {
p.css('opacity', '0');
setInterval(() => {
p.remove();
}, 350)
}, 3000);
});
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