callbacks.empty()


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callbacks.empty()返回: Callbacks

描述: 从列表中删除所有的回调.

  • 添加的版本: 1.7callbacks.empty()

    • 这个方法不接受任何参数

此方法返回绑定它的那个回调对象(this).

Example

callbacks.empty()清空一个回调的列表:

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// a sample logging function to be added to a callbacks list
var foo = function( value1, value2 ) {
console.log( "foo: " + value1 + "," + value2 );
}
// another function to also be added to the list
var bar = function( value1, value2 ){
console.log( "bar: " + value1 + "," + value2 );
}
var callbacks = $.Callbacks();
// add the two functions
callbacks.add( foo );
callbacks.add( bar );
// empty the callbacks list
callbacks.empty();
// check to ensure all callbacks have been removed
console.log( callbacks.has( foo ) );
// false
console.log( callbacks.has( bar ) );
// false