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homework first part #1

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homework first part #1

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44 changes: 43 additions & 1 deletion README.md
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Expand Up @@ -65,4 +65,46 @@ function isNegativeZero (x) {
Напишите тест, который порывает все особенности этого алгоритма. Будет здорово если вы приложите ссылку на jsfiddle.net


См. также: [пост про домашние задания](http://clubs.ya.ru/4611686018427468886/replies.xml?item_no=450).
См. также: [пост про домашние задания](http://clubs.ya.ru/4611686018427468886/replies.xml?item_no=450).


<b>Задание:</b>
<br/>
0) Чему равно [] + {}
<br/>
1) Напишите функцию эмулирующую оператор new
<br/>
2) в Разработке...
<br/>

<b>Ответы:</b>
<ol>
<li> [] + {}

Mассив преобразуется в пустую строку, метод toString объекта выводит фразу - '[object Object]'
<p>
Ответ : [] + {} = '' + '[object Object]' = '[object Object]'
</p>
</li>

<li>
<code>
function A( arg ){
this.arg = arg;
};
<br/>
function myNew ( foo, args ) {
var obj = { '__proto__': foo.prototype };
foo.call ( obj, args );
return obj;
};
<br/>
var a = myNew( A , 10 );
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myNew(A, [1, 2, 3]); // Не будет выглядеть как new A(1, 2, 3); -- new A([1, 2, 3])
myNew("Im Hacker!"); // TypeError выброшен быть должен

<br/>
console.log( a.arg );
</code>
</li>
<li>
under constructions
</li>
</ol>