title: Javascript - How to get number of characters in textbox and use substring to delete
body: <p>I want to get the number of characters in a textbox and use substring to remove characters if the number of characters is >= 255</p>
  
  <p>I have the following javascript:</p>
  
  <pre><code>&lt;script language="javascript" type="text/javascript"&gt;
      function CheckMaxLength(Object, MaxLen) 
      {
          if (Object.value.length &gt;= MaxLen) { //find textbox and use substring } 
  
          return (Object.value.length &lt;= MaxLen);
      }
  &lt;/script&gt;
  </code></pre>
  
  <p>What javascript should I use?</p>