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GeezerVison is showing github.com — Function binding by diogoosz · Pull Request #484 · javascript-tutorial/pt.javascript.info

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@diogoosz

@diogoosz diogoosz commented Nov 9, 2026

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Tradução do artigo "Function binding" para o português, incluindo os exercícios.

Conforme comentado na #1.

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@diogoosz @claude
Translate "Function binding" article to Portuguese
088f311 
Co-Authored-By: Claude Sonnet 5 <[email protected]>
gabifs
gabifs reviewed Nov 12, 2026
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Comment thread 1-js/06-advanced-functions/10-bind/6-ask-partial/solution.md


1. Either use a wrapper function, an arrow to be concise:
1. Ou use uma função de invólucro, uma função seta para ficar conciso:

@gabifs gabifs Nov 12, 2026

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Terminologia inconsistente: "função seta" aqui, mas o capítulo vizinho (12-arrow-functions) usa arrow function. Leitor vê dois termos para o mesmo conceito.

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1. Ou use uma função de invólucro, uma função seta para ficar conciso:
1. Ou use uma função invólucro (wrapper), uma *arrow function* para ficar conciso:

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gabifs
gabifs reviewed Nov 12, 2026
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Comment thread 1-js/06-advanced-functions/10-bind/6-ask-partial/solution.md

```js
askPassword(() => user.login(true), () => user.login(false));
```

@gabifs gabifs Nov 12, 2026

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Referente ambíguo: "o executa" concorda com user (masculino), dando a entender que se executa o objeto user. O original "runs it" se refere ao método.

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```
Agora ela pega `user` das variáveis externas e chama o método da forma normal.

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gabifs
gabifs reviewed Nov 12, 2026
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Comment thread 1-js/06-advanced-functions/10-bind/article.md
O método `setTimeout`, no navegador, é um pouco especial: ele define `this=window` para a chamada da função (para o Node.js, `this` se torna o objeto timer, mas isso não importa muito aqui). Então, para `this.firstName`, ele tenta obter `window.firstName`, que não existe. Em outros casos parecidos, normalmente `this` simplesmente se torna `undefined`.

The task is quite typical -- we want to pass an object method somewhere else (here -- to the scheduler) where it will be called. How to make sure that it will be called in the right context?
A tarefa é bem típica -- queremos passar um método de objeto para algum outro lugar (aqui -- para o agendador) onde ele vai ser chamado. Como garantir que ele vai ser chamado no contexto certo?

@gabifs gabifs Nov 12, 2026

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"A tarefa" soa como exercício (as tarefas do capítulo também se chamam "tarefa"). No original, "task" = situação/problema.

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A tarefa é bem típica -- queremos passar um método de objeto para algum outro lugar (aqui -- para o agendador) onde ele vai ser chamado. Como garantir que ele vai ser chamado no contexto certo?
A situação é bem típica -- queremos passar um método de objeto para algum outro lugar (aqui -- para o agendador) onde ele vai ser chamado. Como garantir que ele vai ser chamado no contexto certo?

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gabifs
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Comment thread 1-js/06-advanced-functions/10-bind/article.md
Por exemplo, temos uma função `send(from, to, text)`. Então, dentro de um objeto `user`, podemos querer usar uma variante parcial dela: `sendTo(to, text)`, que envia a partir do usuário atual.

## Going partial without context
## Indo parcial sem contexto

@gabifs gabifs Nov 12, 2026

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Título é decalque literal de "Going partial without context"; "Indo parcial" não é idiomático em PT.

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## Indo parcial sem contexto
## Aplicação parcial sem contexto

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Comment thread 1-js/06-advanced-functions/10-bind/article.md
Quando fixamos alguns argumentos de uma função existente, a função resultante (menos universal) é chamada de *parcialmente aplicada* ou *parcial*.

Partials are convenient when we don't want to repeat the same argument over and over again. Like if we have a `send(from, to)` function, and `from` should always be the same for our task, we can get a partial and go on with it.
Parciais são convenientes quando não queremos repetir o mesmo argumento o tempo todo. Tipo se temos uma função `send(from, to)`, e `from` deveria ser sempre o mesmo para a nossa tarefa, podemos obter uma parcial e seguir com ela.

@gabifs gabifs Nov 12, 2026

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"Tipo se temos" é coloquial demais para o registro do resto do artigo.

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Parciais são convenientes quando não queremos repetir o mesmo argumento o tempo todo. Tipo se temos uma função `send(from, to)`, e `from` deveria ser sempre o mesmo para a nossa tarefa, podemos obter uma parcial e seguir com ela.
Parciais são convenientes quando não queremos repetir o mesmo argumento o tempo todo. Por exemplo, se temos uma função `send(from, to)`, e `from` deveria ser sempre o mesmo para a nossa tarefa, podemos obter uma parcial e seguir com ela.

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Comment thread 1-js/06-advanced-functions/10-bind/article.md
---

# Function binding
# Vínculo de função

@gabifs gabifs Nov 12, 2026

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Título "Vínculo de função" vs. corpo usa "vincular"/"vinculação" (ex.: linha 205 "vinculação em massa"). "Vinculação de função" descreve a ação (binding) e fica consistente; também é o texto exibido pelos links <info:bind> em 09-classes/01-class.

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# Vínculo de função
# Vinculação de função

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@gabifs gabifs mentioned this pull request Nov 12, 2026
Portuguese Translation Progress #1
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@diogoosz @gabifs
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