input输入框禁止复制粘贴剪切自动完成

禁止复制:oncopy=”return false”

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禁止粘贴:onpaste=”return false”

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禁止剪切:oncut=”return false”

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禁止右键弹出:oncontextmenu=”return false”

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关闭自动完成功能（缓存）:autocomplete=”off”

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自动获得焦点：autofocus=”autofocus”

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禁用自动更正:autocorrect=”off”

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来关闭键盘默认首字母大写(移动端)：autocapitalize=”off”

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不对元素的文本进行拼写检查：spellcheck=”false”

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<input type="password" onpaste="return false" oncontextmenu="return false" oncopy="return false" oncut="return false" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" autofocus="autofocus"/>