Revision 360069 of New in JavaScript 1.4

<p>Features that were added in JavaScript 1.4 include:</p>
<ul>
  <li>Added <a href="/en-US/docs/JavaScript/Guide/Statements#Exception_Handling_Statements" title="JavaScript/Guide/Statements#Exception_Handling_Statements">exception handling</a> (throw and try-catch)</li>
  <li>Added <code><a href="/en-US/docs/JavaScript/Reference/Operators/in" title="JavaScript/Reference/Operators/Special_Operators/in_Operator">in</a></code> and <code><a href="/en-US/docs/JavaScript/Reference/Operators/instanceof" title="JavaScript/Reference/Operators/Special_Operators/Instanceof_Operator">instanceof</a></code> operators</li>
  <li><a href="/en-US/docs/LiveConnect" title="LiveConnect">LiveConnect</a> changes</li>
  <li><code><a href="/en-US/docs/JavaScript/Reference/Global_Objects/eval" title="JavaScript/Reference/Global_Functions/Eval">eval</a></code> changes (cannot be called indirectly and no longer a method of <code>Object</code>)</li>
  <li><code><a href="/en-US/docs/JavaScript/Reference/Functions_and_function_scope/arguments" title="JavaScript/Reference/Functions/arguments">arguments</a></code> not a property of functions</li>
  <li>Deprecated <code><a href="/en-US/docs/JavaScript/Reference/Global_Objects/Function/arity" title="JavaScript/Reference/Objects/Function/Arity">Function.arity</a></code> in favor of <code><a href="/en-US/docs/JavaScript/Reference/Global_Objects/Function/length" title="JavaScript/Reference/Objects/Function/length">Function.length</a></code></li>
</ul>
<h2 id="References">References</h2>
<ul>
  <li><a class="external" href="https://web.archive.org/web/20040802225238/https://developer.netscape.com/docs/manuals/js/core/jsref/index.htm" title="https://web.archive.org/web/20040802225238/https://developer.netscape.com/docs/manuals/js/core/jsref/index.htm">https://web.archive.org/web/20040802225238/https://developer.netscape.com/docs/manuals/js/core/jsref/index.htm</a></li>
</ul>