Erro de JavaScript Tente jogar a captura

  <body>



	<div id="error"> </div> 

	<script>


		try{	
		if(x==1)
		{
		throw "x must not be 1";
		}
		}
		catch(err)
		{
		document.getElementById("error").innerHTML = err;
		}
		
		
		</script>
  </body>
Javasper