使用CSS计数器动态获得选中元素个数实例页面
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CSS代码:
body { counter-reset: icecream; } input:checked { counter-increment: icecream; } .total::after { content: counter(icecream); }
HTML代码:
<strong>下面中国十大冰淇淋你吃过几个?</strong> <ol> <li><input type="checkbox" id="icecream1"><label for="icecream1">哈根达斯</label></li> <li><input type="checkbox" id="icecream2"><label for="icecream2">和路雪wall's</label></li> <li><input type="checkbox" id="icecream3"><label for="icecream3">八喜冰淇淋</label></li> <li><input type="checkbox" id="icecream4"><label for="icecream4">DQ冰淇淋</label></li> <li><input type="checkbox" id="icecream5"><label for="icecream5">蒙牛冰淇淋</label></li> <li><input type="checkbox" id="icecream6"><label for="icecream6">雀巢冰淇淋</label></li> <li><input type="checkbox" id="icecream7"><label for="icecream7">伊利冰淇淋</label></li> <li><input type="checkbox" id="icecream8"><label for="icecream8">乐可可冰淇淋</label></li> <li><input type="checkbox" id="icecream9"><label for="icecream9">新城市冰淇淋</label></li> <li><input type="checkbox" id="icecream10"><label for="icecream10">明治MEIJI</label></li> </ol>你总共选择了 <strong class="total"></strong> 款冰淇淋!
效果:
下面中国十大冰淇淋你吃过几个?
你总共选择了 款冰淇淋!