效果展示
html部分
<p class
="p-first">0
</p
>
<button class
="btn-first">cal-1
</button
>
<p class
="p-twice">0
</p
>
<button class
="btn-twice">cal-2
</button
>
script部分
//第一个累加器
$('.btn-first').click
(function
() {
$('.p-first').text
(parseInt
($('.p-first').text
())+1
);
})
//第二个点击一次后失效
$('.btn-twice').one
("click",function
() {
$('.p-twice').text
(parseInt
($('.p-twice').text
())+1
);
})
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