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This commit is contained in:
Ilya Kantor 2017-03-24 17:28:37 +03:00
parent c9401b3104
commit 0fcf9f84fa
58 changed files with 673 additions and 643 deletions
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1-js/02-first-steps/11-logical-operators/2-alert-or/solution.md
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@ -7,7 +7,7 @@ alert( alert(1) || 2 || alert(3) );
The call to `alert` does not return a value. Or, in other words, it returns `undefined`.
1. The first OR `||` evaluates it's left operand `alert(1)`. That shows the first message with `1`.
2. The `alert` returns `undefined`, so OR goes on to the second operand in it's search of a truthy value.
2. The `alert` returns `undefined`, so OR goes on to the second operand searching for a truthy value.
3. The second operand `2` is truthy, so the execution is halted, `2` is returned and then shown by the outer alert.
There will be no `3`, because the evaluation does not reach `alert(3)`.