A simple introduction to JavaScript's arguments object

The arguments object of JavaScript is a simple introduction:
Here is the simplest way to introduce the use of the arguments object, first look at a piece of code:

var a=1; var b=2; function MyTest (b) {   var c=a+B;  document.write (arguments[0]); } mytest;

The above code can output the first argument passed to the function, that is, the parameter passed to the function can be accessed through an indexed value similar to the array, without the need to use the name of the parameter. So much is introduced here, hoping to give beginners an initial understanding.

The original address is: http://www.softwhy.com/forum.php?mod=viewthread&tid=8390

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A simple introduction to JavaScript's arguments object