Ext.Function singleton

 Ext.Function  singleton

A collection of useful static methods to deal with function callbacks(处理函数回调的有用静态方法的集合)

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alias( Object/Function object, String methodName ) : Function

Create an alias to the provided method property with name methodName of object.(创建对象的methodName方法属性的别名) Note that the execution scope will still be bound to the provided object itself.(注意执行的范围仍然是绑定到提供的对象本身。)

Parameters

    object : Object/Function

    methodName : String

Returns

    Function

    aliasFn(别名方法)

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