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javascript – 单击div后将焦点返回到输入字段

作者:互联网

为了便于在输入字段中输入重音字符,我会显示一个弹出div,显示字符,以便您选择并单击.我希望将注意力集中在输入字段上(或在任何将其取走的操作之后将其返回).单击以输入重音后,焦点将不会在javascript控制下返回.我已经使用Mac Safari和Firefox进行了测试,但没有去过.最终它需要在所有平台上运行.

任何帮助非常感谢.

大卫

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>Untitled Document</title>
    <script type="text/javascript" charset="utf-8">
    var showaccentswindow = 0;

    function displayaccents() {
          if (showaccentswindow==0) {
          document.getElementById('accentswindow').style.display='block';
          showaccentswindow=1;
         }
         else
         {
             document.getElementById('accentswindow').style.display='none';
             showaccentswindow=0;
         }
          document.getElementById('inputbox').focus();
      }
       function insertchar(c) {
          /*for inserting accented chars*/
          document.getElementById('inputbox').value=document.getElementById('inputbox').value + c;
          document.getElementById('inputbox').focus();  **// DOESN'T WORK!!!**

          }
    </script>
    <style type="text/css">
    #accentswindow {
        display:none;
        position:absolute;
        top: 50px;
        background-color: #FFF;
        width: 200px;
        border: 2px solid #999;
        z-index: 100;
        left: 150px;
        text-align: left;
        padding-bottom: 20px;
        padding-left: 20px;
    }
    .accentlink {
        background-color: #F3EED7;
        text-align: center;
        display: block;
        float: left;
        height: 22px;
        width: 17px;
        margin-top: 9px;
        margin-right: 3px;
        font-family: Verdana, Geneva, sans-serif;
        font-size: 15px;
        font-weight: bold;
        color: #666;
        cursor: pointer;
    }
    </style>
    </head>

    <body onl oad="document.getElementById('inputbox').focus();">
    <div id="accentswindow" >
      <div class="accentlink" onm ousedown="insertchar('À')">À</div>
      <div class="accentlink" onm ousedown="insertchar('Û')">Û</div>
      <img src="http://www.revilolang.com/images/closebox.png" width="28" height="26" style="float:right;" onm ouseup="displayaccents()"/> </div>
    <input name="" id="inputbox" type="text" />
    <input name="accents" type="button" value="accents"onclick="displayaccents()" />
    </body>
    </html>

解决方法:

由于mouseup“仍然”成为焦点,你应该添加一个监听器来设置焦点

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>Untitled Document</title>
    <script type="text/javascript" charset="utf-8">
    var showaccentswindow = 0;

    function displayaccents() {
          if (showaccentswindow==0) {
          document.getElementById('accentswindow').style.display='block';
          showaccentswindow=1;
         }
         else
         {
             document.getElementById('accentswindow').style.display='none';
             showaccentswindow=0;
         }
          document.getElementById('inputbox').focus();
      }
       function insertchar(c) {
          /*for inserting accented chars*/
          document.getElementById('inputbox').value=document.getElementById('inputbox').value + c;
            // DOESN'T WORK!!!**

          }

          function addListeners(){
            document.getElementById('accentswindow').addEventListener("mouseup",function(){
                document.getElementById('inputbox').focus();
            })
          }
    </script>
    <style type="text/css">
    #accentswindow {
        display:none;
        position:absolute;
        top: 50px;
        background-color: #FFF;
        width: 200px;
        border: 2px solid #999;
        z-index: 100;
        left: 150px;
        text-align: left;
        padding-bottom: 20px;
        padding-left: 20px;
    }
    .accentlink {
        background-color: #F3EED7;
        text-align: center;
        display: block;
        float: left;
        height: 22px;
        width: 17px;
        margin-top: 9px;
        margin-right: 3px;
        font-family: Verdana, Geneva, sans-serif;
        font-size: 15px;
        font-weight: bold;
        color: #666;
        cursor: pointer;
    }
    </style>
    </head>

    <body onl oad="addListeners();document.getElementById('inputbox').focus();">
    <div id="accentswindow" >
      <div class="accentlink" onm ousedown="insertchar('À')">À</div>
      <div class="accentlink" onm ousedown="insertchar('Û')">Û</div>
      <img src="http://www.revilolang.com/images/closebox.png" width="28" height="26" style="float:right;" onm ouseup="displayaccents()"/> </div>
    <input name="" id="inputbox" type="text" />
    <input name="accents" type="button" value="accents"onclick="displayaccents()" />
    </body>
    </html>

标签:javascript,input,focus,diacritics,field
来源: https://codeday.me/bug/20190901/1782190.html