callbacks.disable()

callbacks.disable()返回类型:Callbacks

描述:禁用一个回调函数列表,阻止它做任何事情。

此方法把Callbacks对象返回到它被附加的对象上(this)。

示例:

通过callbacks.disable()来禁用对回调函数列表的进一步调用。

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// A sample logging function to be added to a callbacks list
var foo = function( value ) {
console.log( value );
};
var callbacks = $.Callbacks();
// Add the above function to the list
callbacks.add( foo );
// Fire the items on the list
callbacks.fire( "foo" );
// Outputs: foo
// Disable further calls being possible
callbacks.disable();
// Attempt to fire with "foobar" as an argument
callbacks.fire( "foobar" );
// foobar isn't output