input number去掉 负号

要去掉input框的负号，可以使用以下CSS属性：

input[type='number']::-webkit-inner-spin-button,
input[type='number']::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

这样就可以去掉input框的负号了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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