Function: noop()

function noop(): void;

A function that does nothing and returns undefined. 一个什么都不做并返回undefined的函数。

This function is useful as a default callback or placeholder function when you need to provide a function but don't want it to do anything. 当您需要提供一个函数但不希望它执行任何操作时， 此函数作为默认回调或占位符函数很有用。

Returns

void

undefined

Example

typeof noop // => 'function'
noop() // => undefined
noop(1, 2, 3) // => undefined

Since

1.0.0