jQuery 是一个快速、小巧且功能丰富的 JavaScript 库,它简化了 HTML 文档遍历、事件处理、动画和 Ajax 交互。左右滑动动画是指元素在页面上水平移动的动画效果,常用于图片轮播、菜单切换等场景。
以下是一个简单的 jQuery 左右滑动动画示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>jQuery 左右滑动动画</title>
<style>
.container {
width: 300px;
overflow: hidden;
}
.slider {
display: flex;
transition: transform 0.5s ease-in-out;
}
.slide {
min-width: 100%;
height: 200px;
background-color: lightblue;
display: flex;
justify-content: center;
align-items: center;
font-size: 24px;
}
</style>
</head>
<body>
<div class="container">
<div class="slider">
<div class="slide">Slide 1</div>
<div class="slide">Slide 2</div>
<div class="slide">Slide 3</div>
</div>
</div>
<button id="prev">Previous</button>
<button id="next">Next</button>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script>
$(document).ready(function() {
let currentIndex = 0;
const $slider = $('.slider');
const $slides = $('.slide');
const slideCount = $slides.length;
$('#prev').click(function() {
currentIndex--;
if (currentIndex < 0) {
currentIndex = slideCount - 1;
}
updateSlider();
});
$('#next').click(function() {
currentIndex++;
if (currentIndex >= slideCount) {
currentIndex = 0;
}
updateSlider();
});
function updateSlider() {
$slider.css('transform', `translateX(-${currentIndex * 100}%)`);
}
});
</script>
</body>
</html>
requestAnimationFrame
来控制动画帧率。transform
属性设置正确。通过以上方法,可以有效地实现和优化 jQuery 左右滑动动画效果。
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