callbacks.locked.xml

<?xml version="1.0"?>
<entry name="callbacks.locked" type="method" return="Boolean">
  <title>callbacks.locked()</title>
  <signature>
    <added>1.7</added>
  </signature>
  <desc>Determine if the callbacks list has been locked.</desc>
  <longdesc/>
  <example>
    <desc>Use <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 slug="callbacks-object"/>
  <category slug="version/1.7"/>
</entry>