fix many typos
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@ -210,7 +210,7 @@ alert( ~-1 ); // -(-1+1) = 0
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Как видно, `~n` -- ноль только в случае, когда `n == -1`.
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То есть, проверка `if ( ~str.indexOf(...) )` означает, что результат `indexOf` отличен от `-1, т.е. совпадение есть.
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То есть, проверка `if ( ~str.indexOf(...) )` означает, что результат `indexOf` отличен от `-1`, т.е. совпадение есть.
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Вот так:
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