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This commit is contained in:
Ilya Kantor 2019-05-22 02:37:20 +03:00
parent db32cd032c
commit 7f1d5de09e
2 changed files with 3 additions and 5 deletions
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4
1-js/06-advanced-functions/10-bind/5-question-use-bind/solution.md
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@ -38,6 +38,6 @@ An alternative solution could be:
askPassword(() => user.loginOk(), () => user.loginFail()); askPassword(() => user.loginOk(), () => user.loginFail());
``` ```
Usually that also works, but may fail in more complex situations where `user` has a chance of being overwritten between the moments of asking and running `() => user.loginOk()`. Usually that also works and looks good.
It's a bit less reliable though in more complex situations where `user` variable might change *after* `askPassword` is called, but *before* the visitor answers and calls `() => user.loginOk()`.

4
1-js/06-advanced-functions/10-bind/5-question-use-bind/task.md
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@ -2,7 +2,7 @@ importance: 5
--- ---
# Ask losing this # Fix a function that loses "this"
The call to `askPassword()` in the code below should check the password and then call `user.loginOk/loginFail` depending on the answer. The call to `askPassword()` in the code below should check the password and then call `user.loginOk/loginFail` depending on the answer.
@ -34,5 +34,3 @@ let user = {
askPassword(user.loginOk, user.loginFail); askPassword(user.loginOk, user.loginFail);
*/!* */!*
``` ```