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Completion percentage:

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**84%**## Linguagem

O vocabulário do JavaScript.

### ProxiesCompletion percentage: **93.7%** (22279)Completion percentage: **93.7%** (22279)

Completion percentage:

**93.7%**(22279)Completion percentage:

**93.7%**(22279)Percents

Count

#### 2019

#### 2020

Já usei | |

Conheço | |

Nunca ouvi falar |

💡

Since all questions are optional, some of them got fewer responses than others. The completion indicator (◕) tells you exactly how many people answered any given question.

### Async/AwaitCompletion percentage: **94%** (22333)Completion percentage: **94%** (22333)

Completion percentage:

**94%**(22333)Completion percentage:

**94%**(22333)Percents

Count

#### 2019

#### 2020

Já usei | |

Conheço | |

Nunca ouvi falar |

We asked members of the JavaScript community to share their “pick of the year”

### My 2020 Pick: Changesets

Automates npm publishing with the ability to tie Markdown release notes to every change. Changesets has really leveled up the quality of our release notes and version management this year.

We asked members of the JavaScript community to share their “pick of the year”

#### Mark Dalgleish

Co-creator of CSS Modules, creator of Playroom

### PromisesCompletion percentage: **93.9%** (22312)Completion percentage: **93.9%** (22312)

Completion percentage:

**93.9%**(22312)Completion percentage:

**93.9%**(22312)Percents

Count

#### 2019

#### 2020

Já usei | |

Conheço | |

Nunca ouvi falar |

### Completion percentage: **94.2%** (22386)Completion percentage: **94.2%** (22386)

DecoratorsCompletion percentage:

**94.2%**(22386)Completion percentage:

**94.2%**(22386)Percents

Count

#### 2019

#### 2020

Já usei | |

Conheço | |

Nunca ouvi falar |

### Promise.allSettled()Completion percentage: **94.3%** (22399)Completion percentage: **94.3%** (22399)

Completion percentage:

**94.3%**(22399)Completion percentage:

**94.3%**(22399)Percents

Count

#### 2020

Já usei | |

Conheço | |

Nunca ouvi falar |

### Dynamic ImportCompletion percentage: **94.5%** (22459)Completion percentage: **94.5%** (22459)

Completion percentage:

**94.5%**(22459)Completion percentage:

**94.5%**(22459)Percents

Count

#### 2020

Já usei | |

Conheço | |

Nunca ouvi falar |

### Recommended Resources

Will Sentance

#### Professional JavaScript Learning Path

From JavaScript foundations, all the way to Hardcore Functional JavaScript, find out how far you can go with your JavaScript abilities in this comprehensive learning path.

Thanks to our partners for supporting us! Learn more.