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This commit is contained in:
Ilya Kantor 2017-04-22 15:31:56 +03:00
parent 543680aeeb
commit 75895f44b8
10 changed files with 65 additions and 88 deletions
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1-js/04-object-basics/03-symbol/article.md
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@ -113,8 +113,8 @@ let user = {
for(let key in user) alert(key); // name, age (no symbols)
*/!*
// the direct access by the global symbol works
alert( "Direct: " + user[Symbol.for("id")] );
// the direct access by the symbol works
alert( "Direct: " + user[id] );
```
That's a part of the general "hiding" concept. If another script or a library loops over our object, it won't unexpectedly access a symbolic property.