js实现文本框输入

如何用Js实现文本框只能输入数字且只能输入1-15号数字，且大于15设值为15，小于1设值...

如何用Js实现文本框①只能输入数字②只能输入1-15号数字③且大于15设值为15，小于1设值为1？④不能支持粘贴操作，原本用正则表达式表示为如下，只能实现仅输入两位数字，不能粘贴，不能输入其他数字以外字符用正则实现了①④如何实现②③？

js如何实现一个文本框只能输入数字且是100的倍数？

JS实现是一个文本框（值为参数）输入另一个显示（查询结果）最近在项目当中遇到了这么一个问题：“在一个文本框中输入编号,然后从数据库中查询对应的名称动态的显示在另一个文本框中。当一个文本框失去焦点的时候就动态的执行相应的方法，...

js实现焦点进入文本框内关闭输入法

js实现焦点进入文本框内关闭输入法:imeMode 要用到的东西:imeMode:xxx 有四个参数 active 代表输入法为中文 inactive 代表输入法为英文 auto 代表打开输入法(默认)disable 代表关闭输入法<INPUT onfocus=" this.style.imeMode='active' " />...

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