超级简单的jQuery幻灯片效果实现

Simple jQuery slider，几十行JS代码实现的幻灯片动画。

jquery, slider

《aframe.js 3d拼图代码详解》作品已被踏得网收录！

第三方库
作品简介 4602
作品推荐
使用帮助
常用链接

HTML
CSS
JavaScript
Result

编译

JavaScript

// create pager list items
var sliderImage = $('.slider__images-image');

sliderImage.each(function(index) {
    $('.js__slider__pagers').append('<li>' + (index + 1) + '</li>');
});

// set up vars
var sliderPagers = 'ol.js__slider__pagers li',
    sliderPagersActive = '.js__slider__pagers li.active',
    sliderImages = '.js__slider__images',
    sliderImagesItem = '.slider__images-item',
    sliderControlNext = '.slider__control--next',
    sliderControlPrev = '.slider__control--prev',
    sliderSpeed = 5000,
    lastElem = $(sliderPagers).length - 1,
    sliderTarget;

// add css heigt to slider images list
function checkImageHeight() {
    var sliderHeight = $('.slider__images-image:visible').height();
    $(sliderImages).css('height', sliderHeight + 'px');
};

sliderImage.on('load', function() {
    checkImageHeight();
    $(sliderImages).addClass('loaded')
});
$(window).resize(function() {
    checkImageHeight();
});

// set up first slide
$(sliderPagers).first().addClass('active');
$(sliderImagesItem).hide().first().show();

// transition function
function sliderResponse(sliderTarget) {
    $(sliderImagesItem).fadeOut(300).eq(sliderTarget).fadeIn(300);
    $(sliderPagers).removeClass('active').eq(sliderTarget).addClass('active');
}

// pager controls
$(sliderPagers).on('click', function() {
    if (!$(this).hasClass('active')) {
        sliderTarget = $(this).index();
        sliderResponse(sliderTarget);
        resetTiming();
    }
});

// next/prev controls
$(sliderControlNext).on('click', function() {
    sliderTarget = $(sliderPagersActive).index();
    sliderTarget === lastElem ? sliderTarget = 0 : sliderTarget = sliderTarget + 1;
    sliderResponse(sliderTarget);
    resetTiming();
});
$(sliderControlPrev).on('click', function() {
    sliderTarget = $(sliderPagersActive).index();
    lastElem = $(sliderPagers).length - 1;
    sliderTarget === 0 ? sliderTarget = lastElem : sliderTarget = sliderTarget - 1;
    sliderResponse(sliderTarget);
    resetTiming();
});

// slider timing
function sliderTiming() {
    sliderTarget = $(sliderPagersActive).index();
    sliderTarget === lastElem ? sliderTarget = 0 : sliderTarget = sliderTarget + 1;
    sliderResponse(sliderTarget);
}

// slider autoplay
var timingRun = setInterval(function() {
    sliderTiming();
}, sliderSpeed);

function resetTiming() {
    clearInterval(timingRun);
    timingRun = setInterval(function() {
        sliderTiming();
    }, sliderSpeed);
}

编译

CSS

body {
    margin: 0;
    position: relative;
}
.slider {
    max-width: 800px;
}
.slider__images {
    opacity: 0;
    visibility: hidden;
    position: relative;
    top: 0px;
    left: 0px;
    list-style-type: none;
    transition: opacity .4s ease-in, visibility .4s ease-in;
}
.slider__images.loaded {
    opacity: 1;
    visibility: visible;
}
.slider__images-item {
    position: absolute;
    top: 0px;
    left: 0px;
}
.no-js .slider__images-item:first-of-type {
    position: relative;
}
.no-js .slider__images-item:not(:first-of-type) {
    display: none !important;
}
.slider__images-image {
    display: block;
}
.slider__controls {
    margin-top: 30px;
    user-select: none;
    text-align: center;
}
.slider__control {
    display: inline-block;
    color: #829995;
    cursor: pointer;
}
.slider__control--prev {
    margin-right: 10px;
}
.slider__control--next {
    margin-left: 10px;
}
.slider__pagers {
    display: inline-block;
    margin: 0;
    padding: 0;
    list-style-type: none;
}
.slider__pagers li {
    display: inline-block;
    margin: 0 5px;
    cursor: pointer;
    color: #829995;
    padding: 0 10px;
}
.slider__pagers li.active {
    color: #333;
}
body {
    background: #EF629F;
    background: linear-gradient(to right, #EF629F, #EECDA3);
    font-family: Avenir, 'Proxima Nova', sans-serif;
    font-weight: normal;
    line-height: 1.5;
}
ul,
ol,
div {
    margin: 0;
    padding: 0;
}
img {
    max-width: 100%;
}
h1 {
    margin-top: 30px;
    color: #fff;
    font-size: 18px;
    font-weight: normal;
    letter-spacing: 4px;
    text-transform: uppercase;
}
.wrapper {
    padding: 30px;
}
.header,
.footer {
    margin: auto;
    max-width: 800px;
    text-align: center;
    color: #fff;
}
.header a,
.footer a {
    color: #fff;
}
.footer {
    margin-top: 30px;
}
.slider {
    margin: 30px auto 0;
    padding: 30px;
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

HTML

<div class="wrapper">
    <header class="header">
        <h1>Really simple jQuery slider</h1>
    </header>

<footer class="footer">
        <p>For when 'really simple' is all you need</p>
    </footer>
</div>

Simple jQuery slider，几十行JS代码实现的幻灯片动画。

jquery, slider

编辑器支持Emmet

快捷键

Simple jQuery slider，几十行JS代码实现的幻灯片动画。

jquery, slider

使用jQuery.PFold.js插件实现的纸张折叠展开效果 - 图片详情

使用jQuery和CSS3实现的超简单闪烁星空（繁星点点）动画背景

编辑器支持Emmet

快捷键

语言：

语言：

导入代码模板：