是否可以使移动 CSS 仅在移动设备上加载而桌面 CSS 仅在桌面上加载以提高加载速度?
事实上,这可以在 PHP 中完成,但问题是 - 有什么陷阱吗?
是否适用这种做法
让我们讨论一下。一切赞成和反对。
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Oles's questions
如何使滑块导航类似于 slick.js 中的“填充”导航项?滚动到下一张幻灯片有一定的时间,在此期间导航附近的稍微透明的块“填满”。示例链接: https ://www.oneplus.com/en/brand?from=foot
$('.customer-logos').each(function() {
var $this = $(this),
$status = $this.closest('.section').find('.slider-num');
$this.on('init reInit afterChange', function(event, slick, currentSlide, nextSlide) {
var i = (currentSlide ? currentSlide : 0) + 1;
$status.html('<strong>' + (((i) < 10) ? "0" + (i) : i) + '</strong>' + '<small>/' + (((slick.slideCount) < 10) ? "0" + (slick.slideCount) : slick.slideCount) + '</<small>');
});
$this.slick({
slidesToShow: 6,
slidesToScroll: 1,
autoplay: true,
autoplaySpeed: 1500,
arrows: false,
dots: false,
pauseOnHover: false,
focusOnSelect: true,
responsive: [{
breakpoint: 768,
settings: {
slidesToShow: 4
}
}, {
breakpoint: 520,
settings: {
slidesToShow: 3
}
}]
});
});
/* Slider */
.slick-slide {
margin: 0px 20px;
}
.slick-slide img {
width: 100%;
}
.slick-slider {
position: relative;
display: block;
box-sizing: border-box;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-touch-callout: none;
-khtml-user-select: none;
-ms-touch-action: pan-y;
touch-action: pan-y;
-webkit-tap-highlight-color: transparent;
}
.slick-list {
position: relative;
display: block;
overflow: hidden;
margin: 0;
padding: 0;
}
.slick-list:focus {
outline: none;
}
.slick-list.dragging {
cursor: pointer;
cursor: hand;
}
.slick-slider .slick-track,
.slick-slider .slick-list {
-webkit-transform: translate3d(0, 0, 0);
-moz-transform: translate3d(0, 0, 0);
-ms-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
.slick-track {
position: relative;
top: 0;
left: 0;
display: block;
}
.slick-track:before,
.slick-track:after {
display: table;
content: '';
}
.slick-track:after {
clear: both;
}
.slick-loading .slick-track {
visibility: hidden;
}
.slick-slide {
display: none;
float: left;
height: 100%;
min-height: 1px;
}
[dir='rtl'] .slick-slide {
float: right;
}
.slick-slide img {
display: block;
}
.slick-slide.slick-loading img {
display: none;
}
.slick-slide.dragging img {
pointer-events: none;
}
.slick-initialized .slick-slide {
display: block;
}
.slick-loading .slick-slide {
visibility: hidden;
}
.slick-vertical .slick-slide {
display: block;
height: auto;
border: 1px solid transparent;
}
.slick-arrow.slick-hidden {
display: none;
}
<script src="https://code.jquery.com/jquery-2.2.0.min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.6.0/slick.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
<div class="section container">
<h2>Our Partners</h2>
<section class="customer-logos slider">
<div class="slide"><img src="https://image.freepik.com/free-vector/luxury-letter-e-logo-design_1017-8903.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/3d-box-logo_1103-876.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/blue-tech-logo_1103-822.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/colors-curl-logo-template_23-2147536125.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/abstract-cross-logo_23-2147536124.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/football-logo-background_1195-244.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/background-of-spots-halftone_1035-3847.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/retro-label-on-rustic-background_82147503374.jpg"></div>
</section>
<br>
<div class="slider-num">
<strong></strong>
<small></small>
</div>
</div>
如何在 slick.js 上制作当前幻灯片的数量和总数?例如,1/3(三个中的第一个)、2/3(三个中的第二个)。
$(document).ready(function(){
$('.customer-logos').slick({
slidesToShow: 6,
slidesToScroll: 1,
autoplay: true,
autoplaySpeed: 1500,
arrows: false,
dots: false,
pauseOnHover: false,
responsive: [{
breakpoint: 768,
settings: {
slidesToShow: 4
}
}, {
breakpoint: 520,
settings: {
slidesToShow: 3
}
}]
});
});
h2{
text-align:center;
padding: 20px;
}
/* Slider */
.slick-slide {
margin: 0px 20px;
}
.slick-slide img {
width: 100%;
}
.slick-slider
{
position: relative;
display: block;
box-sizing: border-box;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-touch-callout: none;
-khtml-user-select: none;
-ms-touch-action: pan-y;
touch-action: pan-y;
-webkit-tap-highlight-color: transparent;
}
.slick-list
{
position: relative;
display: block;
overflow: hidden;
margin: 0;
padding: 0;
}
.slick-list:focus
{
outline: none;
}
.slick-list.dragging
{
cursor: pointer;
cursor: hand;
}
.slick-slider .slick-track,
.slick-slider .slick-list
{
-webkit-transform: translate3d(0, 0, 0);
-moz-transform: translate3d(0, 0, 0);
-ms-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
.slick-track
{
position: relative;
top: 0;
left: 0;
display: block;
}
.slick-track:before,
.slick-track:after
{
display: table;
content: '';
}
.slick-track:after
{
clear: both;
}
.slick-loading .slick-track
{
visibility: hidden;
}
.slick-slide
{
display: none;
float: left;
height: 100%;
min-height: 1px;
}
[dir='rtl'] .slick-slide
{
float: right;
}
.slick-slide img
{
display: block;
}
.slick-slide.slick-loading img
{
display: none;
}
.slick-slide.dragging img
{
pointer-events: none;
}
.slick-initialized .slick-slide
{
display: block;
}
.slick-loading .slick-slide
{
visibility: hidden;
}
.slick-vertical .slick-slide
{
display: block;
height: auto;
border: 1px solid transparent;
}
.slick-arrow.slick-hidden {
display: none;
}
<script src="https://code.jquery.com/jquery-2.2.0.min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.6.0/slick.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
<div class="container">
<h2>Our Partners</h2>
<section class="customer-logos slider">
<div class="slide"><img src="https://image.freepik.com/free-vector/luxury-letter-e-logo-design_1017-8903.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/3d-box-logo_1103-876.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/blue-tech-logo_1103-822.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/colors-curl-logo-template_23-2147536125.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/abstract-cross-logo_23-2147536124.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/football-logo-background_1195-244.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/background-of-spots-halftone_1035-3847.jpg"></div>
<div class="slide"><img src="https://image.freepik.com/free-vector/retro-label-on-rustic-background_82147503374.jpg"></div>
</section>
</div>