title: javascript string length compare
body: <p>I want to check the size of the string entered in a text box.
  what am I missing?</p>
  
  <pre><code>var com = document.getElementById("comment").value;
  if(com.lenght &lt;= 100){
   alert("good");
  } else {
   alert("bad");
  } 
  </code></pre>