我有一个渲染随机图片的函数,但当图片数组到达末尾时,它会停止工作。我的目标是使用另一种随机顺序的图片重新启动函数,使函数可以无限地工作。我已经阅读了其他问题,但没有找到适合我情况的东西。
以下是HTML部分:
感谢您的帮助。
以下是HTML部分:
<div class="card">
<div class="front" onClick="pickimg();return false;"><img
src="1.jpg" alt=""></div>
<div class="back"><img src="2.jpg" name="randimg"></div>
</div>
Css(防止出错):
.card {
width: 200px;
height: 300px;
position: relative;
perspective: 1000px;
cursor: pointer;
margin: 0 50px;
}
.front, .back {
width: 100%;
height: 100%;
position: absolute;
display: flex;
justify-content: center;
align-items: center;
transition: 1s;
backface-visibility: hidden;
border-radius: 10px;
}
.front {
transform: rotateY(360deg);
}
.back {
transform: rotateY(180deg);
}
还有JS:
var cards = document.querySelectorAll('.card')
Array.from(cards).forEach(function(card) {
card.addEventListener('click', function() {
Array.from(card.querySelectorAll('.back, .front')).forEach(function(el) {
['back', 'front'].forEach(function(s) {
el.classList.toggle(s)
});
});
});
});
var usedImages = {};
var usedImagesCount = 0;
function pickimg(){
var imagenumber = 3;
var randomnumber = Math.random();
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1;
images = new Array();
images[0] = "";
images[1] = "3.jpg";
images[2] = "4.jpg";
images[3] = "2.jpg";
var image = images[rand1];
if (!usedImages[rand1]){
document.randimg.src = images[rand1];
usedImages[rand1] = true;
usedImagesCount++;
if (usedImagesCount === images.length){
usedImagesCount = 0;
usedImages = {};
}
} else {
pickimg();
}
}
感谢您的帮助。