The second parameter is a function closure.
第二个参数是一个函数闭包。
In this case, you used an anonymous inline function, also known as a closure.
在这个案例中您使用一个匿名内联函数，也称为一个闭包。
For the function, we are once again using the shorthand closure notation.
对于这个函数，我们再次使用了一个简短的闭包注释。
A function will run in the closure that defines it unless otherwise specified.
如果没有指定，函数将在定义它的闭包中运行。
You then pass in an anonymous function (closure) to the onEvent property.
然后将一个匿名函数(closure)传入到onevent属性。
They can also introspect into a closure just like a normal function can.
它们还可以像普通函数一样内省到闭包中。
A method or function can communicate with a closure by passing in arguments.
方法或函数可通过传入参数与闭包通信。
How can I call a function within a closure within a variable?
我怎么能调用一个函数在一个封闭在一个变量？
How can I call a function within a closure within a variable?
我怎么能调用一个函数在一个封闭在一个变量？
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