In javascript (function ($) {...}) (jQuery), what does it mean? javascriptjquery

In javascript (function ($) {...}) (jQuery), what does it mean? javascriptjquery

In javascript, what is the meaning of (function ($) {...}) (jQuery.

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First function (arg ){

//....
}
This form is called an anonymous function in javascript. Arg is the parameter of the anonymous function.


And (function ($ ){

}) (JQuery); in this form, an anonymous function is executed and the parameter jQuery is passed.

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In fact, it is equivalent
Var func = funtion ($ ){
//.....
};

Func (jQuery );

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In fact, these two statements mean one thing. It is simply written in the above form.

(Function ($) {...}) (jQuery)