如何使用自定义按钮min=0和max=10设置加减输入值,这与<input type="number" value="0" min="0" max="10" />几乎类似,下面是我的代码示例,我创建了按钮加减来用jquery更改输入值,但是值没有min和max规则,我应该做什么来创建它呢?
$(function(){
var x = $('input').val();
$('#plus').click(function(){
$('input').val(++x)
});
$('#minus').click(function(){
$('input').val(--x)
});
});.n{display:flex}
input{margin:0 8px 0 8px}
.b{
padding: 4px;
background: yellow;
cursor: pointer;
}
.b:hover{
background: blue;
color: white;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<p>Quantity</p>
<div class="n">
<div id="minus" class="b">
minus
</div>
<input type="text" value='0'>
<div id="plus" class="b">
plus
</div>
</div>
发布于 2022-10-01 10:17:10
$(function(){
var x = $('input').val();
$('#plus').click(function(){
$('input').val(x<10?++x:x)
});
$('#minus').click(function(){
$('input').val(x>0?--x:x)
});
});.n{display:flex}
input{margin:0 8px 0 8px}
.b{
padding: 4px;
background: yellow;
cursor: pointer;
}
.b:hover{
background: blue;
color: white;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<p>Quantity</p>
<div class="n">
<div id="minus" class="b">
minus
</div>
<input type="text" value='0'>
<div id="plus" class="b">
plus
</div>
</div>
https://stackoverflow.com/questions/73917381
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