callbacks.locked.xml

<entry name="callbacks.locked" type="method" return="Boolean">
  <signature>
    <added>1.7</added>
  </signature>
  <desc>Determine if the callbacks list has been locked.</desc>
  <longdesc></longdesc>
<example>
  <desc>Using <code>callbacks.locked()</code> to determine the lock-state of a callback list:</desc>
  <code><![CDATA[// a sample logging function to be added to a callbacks list
  var foo = function( value ){
      console.log( 'foo:' + value);
  }

  var callbacks = $.Callbacks();

  // add the logging function to the callback list
  callbacks.add( foo );

  // fire the items on the list, passing an argument
  callbacks.fire( 'hello' );
  // outputs 'foo: hello'

  // lock the callbacks list
  callbacks.lock();

  // test the lock-state of the list
  console.log ( callbacks.locked() ); //true
  ]]></code>
</example>
<category name="Callbacks Object" slug="callbacks-object"/>
<category name="Version 1.7" slug="1.7"/>
</entry>