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1-js/06-advanced-functions/11-currying-partials/1-ask-currying/task.md

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+importance: 5
+
+---
+
+# Partial application for login
+
+The task is a little more complex variant of <info:task/question-use-bind>. 
+
+The `user` object was modified. Now instead of two functions `loginOk/loginFail`, it has a single function `user.login(true/false)`.
+
+What to pass `askPassword` in the code below, so that it calls `user.login(true)` as `ok` and `user.login(fail)` as `fail`?
+
+```js
+function askPassword(ok, fail) {
+  let password = prompt("Password?", '');
+  if (password == "rockstar") ok();
+  else fail();
+}
+
+let user = {
+  name: 'John',
+
+  login(result) {
+    alert( this.name + (result ? ' logged in' : ' failed to log in') );
+  }
+};
+
+*!*
+askPassword(?, ?); // ?
+*/!*
+```
+
+Your changes should only modify the highlighted fragment.
+