實現普通的javascript輪播。（無插件）

Question

我正在通過普通的 javascript 實現輪播（不使用插件）。 我想設置上一個和下一個按鈕來控制幻燈片圖像。

 var firstval = 0; function Carousel() { firstval += 2; parent = document.getElementById('container-carousel'); parent.style.left = "-" + firstval + "px"; if (!(firstval % 150)) { setTimeout(Carousel, 3000); firstval = 0; var firstChild = parent.firstElementChild; parent.appendChild(firstChild); parent.style.left= 0; return; } runCarousel = setTimeout(Carousel, 10); } Carousel();

 #wrapper-carousel { position: relative; width: 450px; height: 150px; margin: 0 auto; overflow: hidden; } #container-carousel { position: absolute; width: 450px; height: 150px; } .child { width: 150px; height: 150px; padding-top: 35px; float: left; text-align: center; font-size: 60px; }

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.2.3/jquery.min.js"></script> <div id="wrapper-carousel"> <div id="container-carousel"> <div class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0020232_chocolate_cream_gateaux_cake_320.jpeg"> </div> <div class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0018904_50_red_roses_in_vase_320.jpeg"> </div> <div class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0020232_chocolate_cream_gateaux_cake_320.jpeg"> </div> </div> <a class="left" href="#wrapper-carousel" style="font-size:100px;z-index:3000;">&lsaquo;</a> <a class="right" href="#wrapper-carousel" style="font-size:100px;z-index:3000">&rsaquo;</a> </div>

我想添加簡單的按鈕來控制這個輪播。 我沒有使用任何插件和任何框架輪播。

JsFiddle： https ://jsfiddle.net/varunPes/wzkLjh8s/21/

Answer 1

沒有插件的輪播。

 var firstval = 0; var runSlider; function Carousel() { clearTimeout(runSlider); firstval += 2; parent = document.getElementById('container-carousel'); parent.style.left = "-" + firstval + "px"; if (!(firstval % 130)) { setTimeout(Carousel, 3000); firstval = 0; var firstChild = parent.firstElementChild; parent.appendChild(firstChild); parent.style.left= 0; return; } runCarousel = setTimeout(Carousel, 10); } Carousel(); function leftClick(){ firstval += 2; parent = document.getElementById('container-carousel'); parent.style.left = "-" + firstval + "px"; if (!(firstval % 130)) { firstval = 0; var firstChild = parent.firstElementChild; parent.appendChild(firstChild); parent.style.left= 0; return; } runSlider = setTimeout(leftClick, 10); } function rightClick(){ firstval += 2; parent = document.getElementById('container-carousel'); parent.style.left = firstval + "px"; if (!(firstval % 130)) { firstval = 0; var firstChild = parent.firstElementChild; parent.appendChild(firstChild); parent.style.left= 0; return; } runSlider = setTimeout(rightClick, 10); }

 #wrapper-carousel { position: relative; width: 450px; height: 150px; margin: 0 auto; overflow: hidden; display:flex; } #main-carousel { position: relative; width: 450px; height: 150px; overflow:hidden; } #container-carousel { position: absolute; width: 450px; height: 150px; } .child { width: 130px; height: 150px; padding-top: 35px; float: left; text-align: center; font-size: 60px; }

 <div id="wrapper-carousel"> <a class="left" href="#wrapper-carousel" style="font-size:100px;z-index:3000;" onclick="leftClick()">&lsaquo;</a> <div id="main-carousel"> <div id="container-carousel"> <div class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0020232_chocolate_cream_gateaux_cake_320.jpeg"> </div> <div class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0018904_50_red_roses_in_vase_320.jpeg"> </div> <div class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0020232_chocolate_cream_gateaux_cake_320.jpeg"> </div> </div></div> <a class="right" href="#wrapper-carousel" style="font-size:100px;z-index:3000" onclick="rightClick()">&rsaquo;</a> </div>

帶有普通 javascript 的輪播。

Answer 2

了解您希望完成 css 修復

<div id="wrapper-carousel">
    <div id="container-carousel">
        <div  class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0020232_chocolate_cream_gateaux_cake_320.jpeg"> </div>
        <div  class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0018904_50_red_roses_in_vase_320.jpeg"> </div>
        <div  class="child"><img width="100" src="https://d2z4fd79oscvvx.cloudfront.net/0020232_chocolate_cream_gateaux_cake_320.jpeg"> </div>
    </div>
      <a class="left" href="#wrapper-carousel"  style="font-size: 100px;z-index: 3050;float: left;position: relative;background: #F3F5F6;top:15px">&lsaquo;</a>
     <a class="right" href="#wrapper-carousel"  style="font-size: 100px;z-index: 3050;float: right;position: relative;background: #F3F5F6;top:15px">&rsaquo;</a>

</div>