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javascript - 附加到 JQuery 中的值

转载 作者：行者123 更新时间：2023-11-28 15:31:04 25 4
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所以，这是我的困境:我试图在 JQuery 中将附加到一个值。所以，我有一个 input，我想要的是附加到然后结束一些文本(在本例中是破折号)。我尝试了 .append("-"); 但这没有用，因为它将它附加到输入的后面而不是它的实际值。然后我尝试使用 append.val() 之类的东西来发挥创意，但我很快意识到你不能那样做。在下面的代码中，在名称 input 中输入三个字符，然后它将开始困惑。这是我的代码:

$(function() {
  $("#editorTextInfoName").keyup(function() {
    var infoNameTextValue = $("#editorTextInfoName").val();
    $("#fullName").text(infoNameTextValue);
  });
  setInterval(function() {
    var infoNameTextValue = $("#editorTextInfoName").val();
    var editorTextInfoBoxLength = infoNameTextValue.length;
    if (editorTextInfoBoxLength == 3) {
      $("#fullName").append("-");
      $("#editorTextInfoName").after("-");
    }
  }, 1);
});
table {
  display: inline-block;
}
#image {
  width: 125px;
  height: 125px;
  border-radius: 50%;
  margin-top: -45px;
}
.spacer {
  width: 15px;
}
hr {
  height: 200px;
  width: 7.5px;
  border-radius: 20px;
  border: none;
  background-color: cornflowerBlue;
}
#fullName {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 24px;
  color: orange;
  margin-top: -40px;
  }
#job {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 18px;
  margin-top: -10px;
  }
#jobLocationText {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 16px;
  margin-top: -10px;
}
.otherText {
  color: seaGreen;
}
#emailAddress, #phoneNumber, #officePhoneNumber, #address, #website {
  font-size: 17px;
}
#extra1, #extra2, #extra3, #extra4, #extra5, #extra6 {
    white-space: pre-wrap;
}
#signatureEditorText {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 24px;
  margin-bottom: 40px;
}
.editorTextInfo {
  color: gray;
  font-family: 'Lato', sans-serif;
  font-size: 18px;
  margin-bottom: 7px;
}
.editorTextBox {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 16px;
  height: 20px;
  width: 160px;
  border: 2px solid darkGray;
  border-radius: 6px;
}
.editorTextBox:focus {
  outline: 0;
}
#dash1, #dash2, #dash3, #dash4 {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 24px;
}
#dash1 {
  margin-left: -137px;
  margin-top: -5px;
}
#dash2 {
  margin-left: -104px;
  margin-top: -5px;
}
#dash3 {
  margin-left: -87px;
  margin-top: -5px;
}
#dash4 {
  margin-left: -54px;
  margin-top: -5px;
}
#editorTextInfoPhone1 {
  margin-left: -100px;
}
#editorTextInfoPhone2 {
  margin-left: -131px;
}
#editorTextInfoPhone3 {
  margin-left: -98px;
}
#editorTextInfoOfficePhone1 {
  margin-left: -50px;
}
#editorTextInfoOfficePhone2 {
  margin-left: -81px;
}
#editorTextInfoOfficePhone3 {
  margin-left: -48px;
}
.editorTextBoxPhone, .editorTextBoxOfficePhone {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 16px;
  height: 20px;
  width: 24px;
  border: 2px solid darkGray;
  border-radius: 6px;
}
.editorTextBoxPhoneOther, .editorTextBoxOfficePhoneOther {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 16px;
  height: 20px;
  width: 32px;
  border: 2px solid darkGray;
  border-radius: 6px;
}
.editorTextBoxPhone:focus, .editorTextBoxPhoneOther:focus, .editorTextBoxOfficePhone:focus, .editorTextBoxOfficePhoneOther:focus {
  outline: 0;
}
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width">
        <link rel="icon" href="Logo.ico">
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
        <link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro" rel="stylesheet">
        <link href="https://fonts.googleapis.com/css?family=Lato" rel="stylesheet">
        <title>HTML Hub</title>
        <link href="index.css" rel="stylesheet" type="text/css"/>
    </head>
    <body>
      <center>
        <table cellpadding="0" cellspacing="0" border="0" style="background: none; border-width: 0px; border: 0px; margin: 0; padding: 0;">
          <tr>
            <td>
              <center>
                <img src="https://vignette2.wikia.nocookie.net/mafiagame/images/2/23/Unknown_Person.png/revision/latest?cb=20151119092211" id="image" title="Picture to be displayed">
              </center>
            </td>
            <td class="spacer"></td>
            <td rowspan="4">
              <hr>
            </td>
            <td class="spacer"></td>
          </tr>
          <tr>
            <td>
              <center>
                <div id="fullName">Billy Staples</div>
              </center>
            </td>
          </tr>
          <tr>
            <td>
              <center>
                <div id="job"><i>Programmer</i></div>
              </center>
            </td>
          </tr>
          <tr>
            <td>
              <center>
                <div id="jobLocationText">at <b id="jobLocation">My Company</b></div>
              </center>
            </td>
          </tr>
        </table>
        <table id="contactInfo" cellpadding="0" cellspacing="0" border="0" style="background: none; border-width: 0px; border: 0px; margin: 0; padding: 0;">
          <tr>
            <td>
              <div id="emailAddress"><span class="otherText">Email: </span><span id="emailAddressText">email@domain.com</span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="phoneNumber"><span class="otherText">Phone: </span><span id="phoneNumberFirst">111</span>-<span id="phoneNumberSecond">222</span>-<span id="phoneNumberThird">3333</span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="officePhoneNumber"><span class="otherText">Office Phone: </span><span id="officePhoneNumberFirst">444</span>-<span id="officePhoneNumberSecond">555</span>-<span id="officePhoneNumberThird">6666</span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="address"><span class="otherText">Address: </span><span id="addressText">1379 Philadelphia Avenue</span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="website"><span class="otherText">Website: </span><span id="websiteText">example.com</span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="extra1"><span class="otherText" id="extra1Label"></span><span id="extra1Text"> </span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="extra2"><span class="otherText" id="extra2Label"></span><span id="extra2Text"> </span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="extra3"><span class="otherText" id="extra3Label"></span><span id="extra3Text"> </span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="extra4"><span class="otherText" id="extra4Label"></span><span id="extra4Text"> </span></div>
            </td>
          </tr>
          <tr>
            <td>
              <div id="extra5"><span class="otherText" id="extra5Label"></span><span id="extra5Text"> </span></div>
            </td>
          </tr>
        </table>
      </center>
      &nbsp;
      <p></p>
      <table id = "editTable" cellpadding="0" cellspacing="0" border="0" style="background: none; border-width: 0px; border: 0px; margin: 0; padding: 0;">
          <tr>
            <td>
              <div id = "signatureEditorText">Signature Editor</div>
            </td>
          </tr>
          <tr>
            <td>
              <div class = "editorTextInfo">Name</div>
            </td>
          </tr>
          <tr>
            <td>
              <input id = "editorTextInfoName" type = "text" class = "editorTextBox">
            </td>
          </tr>
        </table>
    </body>
</html>

此外，我实际上是指 .after() 用于 input，而不是 append()。当我尝试 .append() 时，它什么也没做。

我的实际目标是让它可以像电话号码一样 input(我只是在名称 input 上测试它)这样你就可以输入三个数字，然后添加破折号。

有什么建议吗？提前致谢!

最佳答案 

$("#editorTextInfoName").val($("#editorTextInfoName").val() + "-");

关于javascript - 附加到 JQuery 中的值，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/44689710/

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