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Javascript 将工具提示添加到文件浏览输入_Javascript_Html_Google Chrome_Microsoft Edge - Fatal编程技术网

Javascript 将工具提示添加到文件浏览输入

Javascript 将工具提示添加到文件浏览输入,javascript,html,google-chrome,microsoft-edge,Javascript,Html,Google Chrome,Microsoft Edge,根据下面的代码,定制按钮鼠标悬停工具提示的最佳方法是什么?在Chrome中,工具提示自动设置为“未选择文件”。在Edge中,没有默认工具提示。JavaScript是必要的吗 <div id="Dialog--Person"> <form> <input placeholder="Enter First Name..." id="personFirstName" > <input placeholder="Enter Last Name

根据下面的代码,定制按钮鼠标悬停工具提示的最佳方法是什么?在Chrome中,工具提示自动设置为“未选择文件”。在Edge中,没有默认工具提示。JavaScript是必要的吗

<div id="Dialog--Person">
  <form>
    <input placeholder="Enter First Name..." id="personFirstName" >
    <input placeholder="Enter Last Name..." id="personLastName" >
    <input placeholder="Enter Title..." id="personTitle" >
    <input placeholder="Enter Office Phone..." id="personPhone" >
    <input placeholder="Enter Mobile Phone..." id="personMobile" >
    <input placeholder="Enter Email..." id="personEmail" >
    <input type="file" value="upload" class="form-control" id="personPhoto" name="photo">
  </form>
</div>


您需要添加
标题
,并传递希望显示的值,如下所示。它将与所有浏览器一起使用,并在工具提示中显示相同的文本

<input type="file" value="upload" class="form-control" id="personPhoto" name="photo" title="Please select file.">