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Proxy and Reflect
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reformulacion 181 "proxy vs target"
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Legibilidad linea 328
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fix link a mdn proxy no func c/ [ ](mdn:)
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4 changes: 2 additions & 2 deletions1-js/99-js-misc/01-proxy/01-error-nonexisting/solution.md
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16 changes: 8 additions & 8 deletions1-js/99-js-misc/01-proxy/01-error-nonexisting/task.md
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4 changes: 2 additions & 2 deletions1-js/99-js-misc/01-proxy/02-array-negative/solution.md
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22 changes: 11 additions & 11 deletions1-js/99-js-misc/01-proxy/02-array-negative/task.md
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,33 +1,33 @@ | ||
#Accediendo a array[-1] | ||
En algunos lenguajes de programación podemos acceder a los arrays usando índices negativos, contando desde el final. | ||
Como esto: | ||
```js | ||
let array = [1, 2, 3]; | ||
array[-1]; // 3,el último elemento | ||
array[-2]; // 2,el penúltimo elemento, uno antes del final | ||
array[-3]; // 1,el antepenúltimo elemento, dos antes el final | ||
``` | ||
En otras palabras, `array[-N]`es lo mismo que `array[array.length - N]`. | ||
Crea un proxypara implementar tal comportamiento. | ||
Así es como debe funcionar: | ||
```js | ||
let array = [1, 2, 3]; | ||
array = new Proxy(array, { | ||
/*tu código */ | ||
}); | ||
alert( array[-1] ); // 3 | ||
alert( array[-2] ); // 2 | ||
//el resto de la funcionalidad debe mantenerse igual. | ||
``` |
18 changes: 9 additions & 9 deletions1-js/99-js-misc/01-proxy/03-observable/solution.md
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14 changes: 7 additions & 7 deletions1-js/99-js-misc/01-proxy/03-observable/task.md
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