# Global symbols in JavaScript

Using the `Symbol.for` method, you can create symbols with a name. These symbols will be stored in the global Symbol registry and can be retrieved from anywhere in the code.

Let's see how it works. Let's create a symbol in one function:

`function func1() { let sym = Symbol.for('test'); return sym; }`

Now in another function we will retrieve this symbol by its name:

`function func2() { let sym = Symbol.for('test'); return sym; }`

Let's check that both functions contain the same symbol. We call our functions:

`let sym1 = func1(); let sym2 = func2();`

And compare the symbols:

`console.log(sym1 === sym2); // true`

Suppose you have several objects. Add a key to each of them in the form of the symbol named `'sum'`. Make a function in this key that will return the sum of the object elements.

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