我有一个页面看起来像这样:
<a href="#" onclick="go('register')">
<img class="img" src="img/192.webp" alt="box set" />
<div class="name" style="line-height: 2">box set</div>
</a>
</div>
<div class="item ">
<a href="#" onclick="go('register')">
<img class="img" src="img/182.webp" alt="battery" />
<div class="name" style="line-height: 2">battery</div>
我想知道是否有一种方法可以随机插入一个div class为"percentx"(1-100之间的随机数),这样当页面加载时,它会看起来像:
<a href="#" onclick="go('register')">
<img class="img" src="img/192.webp" alt="box set" />
<div class="name" style="line-height: 2">box set</div>
<div class="percent75"></div>
</a>
</div>
<div class="item ">
<a href="#" onclick="go('register')">
<img class="img" src="img/182.webp" alt="battery" />
<div class="name" style="line-height: 2">battery</div>
<div class="percent61"></div>
然后每60秒更改一次:
<a href="#" onclick="go('register')">
<img class="img" src="img/192.webp" alt="box set" />
<div class="name" style="line-height: 2">box set</div>
<div class="percent21"></div>
</a>
</div>
<div class="item ">
<a href="#" onclick="go('register')">
<img class="img" src="img/182.webp" alt="battery" />
<div class="name" style="line-height: 2">battery</div>
<div class="percent95"></div>
关于这个主题:
$('.percent').each(function () {
var x = Math.floor((Math.random() * 100) + 1);
$(this).text(x)
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div class="percent"></div>
老实说,我不知道如何修改这段代码以满足我的需求,任何帮助将不胜感激。
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看一下你提供的代码片段,你可以使用
$('div[class*="percent"]')来选择包含子字符串'percent'的类名。如果你希望每个div的随机百分比是唯一的,我建议使用ID名称。否则,下面的解决方案将每60秒覆盖包含'percent'的所有类名,并将其替换为'percentx',其中x是随机生成的数字。希望这能帮到你!<div class="percent"></div> <div class="percent"></div> <div class="percent"></div> <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <script> setInterval(function() { $('div[class*="percent"]').each(function () { var x = Math.floor((Math.random() * 100) + 1); $(this).attr('class', 'percent' + x); }); }, 60000); </script>