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Editorial Team
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Asked: 2026-06-11T13:34:23+00:00

update 0 got this error message: Uncaught ReferenceError: $ is not defined update 0

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update 0

got this error message: Uncaught ReferenceError: $ is not defined

update 0

update 1 newest Source

<html>
  <head>
      <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
      <title>Reservations</title>
    <link rel="stylesheet" href="/static/css/main.css">
    <link rel="stylesheet" href="/static/css/style.css">
  </head>
  <body>
      <center><h1>Reservations</h1></center>
    <div class="wrapper">

<p> You can start over at the beginning <a href="/">here.</a> </p>
<big>Reserve some courts online  </big> <br />
<script type="text/javascript" language="JavaScript">
    $( document ).keypress(function() {
    $("#timeStamp span").text("Timestamp is no-longer correct");
});
</script>
<form action="" method="post" >
       <input type="hidden" name="ID" value="Rogers"></input>
       <input type="hidden" name="weekday" value="Tuesday"></input>
       <input type="hidden" name="nowweekday" value="1"></input>
       <input type="hidden" name="month" value="September"></input>
       <input type="hidden" name="nowmonth" value="9"></input>
       <input type="hidden" name="day" value="18"></input>
       <input type="hidden" name="year" value="2012"></input>
       <input type="hidden" name="startTime" value="[15, 0]"></input>
       <input type="hidden" name="endTime" value="[20L, 0L]"></input>

       <input type="hidden" name="court" value="court1"></input>

       <input type="hidden" name="court" value="court2"></input>

       <h1>Tuesday, September 18, 2012 at Rogers Neighborhood Club</h1> 
   <div class="timeStamp" ><h1 id="timeStamp">15:07:24.657430<span></span></h1></div> <br />

update 1 newest Source

I have a timestamp on a page that is created on page load.

I want to alter the adjoining text label of the time stamp to indicate that the timestamp is no longer correct when there is a keyDown anywhere in the window.

Can that be done easily with javascript?

<html>
  <head>
      <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
      <title>Reservations</title>
    <link rel="stylesheet" href="/static/css/main.css">
    <link rel="stylesheet" href="/static/css/style.css">
  </head>
  <body>
      <center><h1>Reservations</h1></center>
    <div class="wrapper">

<p> You can start over at the beginning <a href="/">here.</a> </p>
<big>Reserve some courts online  </big> <br />
<script type="text/javascript" language="JavaScript">
    $("*").keypress(function() {
    $("#timeStamp").text("Modified");
    });
</script>

<form action="" method="post" >
       <input type="hidden" name="ID" value="Rogers"></input>
       <input type="hidden" name="weekday" value="Tuesday"></input>
       <input type="hidden" name="nowweekday" value="1"></input>
       <input type="hidden" name="month" value="September"></input>
       <input type="hidden" name="nowmonth" value="9"></input>
       <input type="hidden" name="day" value="18"></input>
       <input type="hidden" name="year" value="2012"></input>
       <input type="hidden" name="startTime" value="[14, 30]"></input>
       <input type="hidden" name="endTime" value="[20L, 0L]"></input>

       <input type="hidden" name="court" value="court1"></input>

       <input type="hidden" name="court" value="court2"></input>

       <h1>Tuesday, September 18, 2012 at Rogers Neighborhood Club</h1> 
   <div class="timeStamp" id="timeStamp"><h1>text14:49:30.274646</h1></div> <br />
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1 Answer

  1. Editorial Team

    Yes, like so:

    Assuming you’re using jQuery and have the timestamp HTML like this:

    <p id="timeStamp">2012-09-18 20:08 <span></span></p>
<!-- the span is where the message will be inserted -->

    …and the jQuery code itself:

    $( document ).keypress(function() {
    $("#timeStamp span").text("Timestamp is no-longer correct");
});
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