JavaScript - ＜input＞纯数字（type=“number“）输入限制长度、最小值、最大值或多条件同时限制

王佳斌发布时间：2022-01-08 23:46:45 ，浏览量：4

前言

当 type 为 number 时，其属性 maxlength / max / min 限制均失效。

如果您的数字输入框想要限制长度或最大（小）值，或多条件同时限制，如下代码所示方法不可行：


    
        
        
        
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JavaScript - ＜input＞ 纯数字（type=“number“）输入限制长度、最小值、最大值或多条件同时限制

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JavaScript - ＜input＞纯数字（type=“number“）输入限制长度、最小值、最大值或多条件同时限制