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**84%**## Sintaxe

A gramática do JavaScript.

### DestructuringCompletion percentage: **96%** (22814)Completion percentage: **96%** (22814)

Completion percentage:

**96%**(22814)Completion percentage:

**96%**(22814)Percents

Count

#### 2019

#### 2020

Já usei | |

Conheço | |

Nunca ouvi falar |

💡

The

button at the top of each block lets you get the raw JSON data for any chart, or a GraphQL query you can run against our public API.### Spread OperatorCompletion percentage: **95.7%** (22753)Completion percentage: **95.7%** (22753)

Completion percentage:

**95.7%**(22753)Completion percentage:

**95.7%**(22753)Percents

Count

#### 2019

#### 2020

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### Arrow FunctionsCompletion percentage: **95.5%** (22695)Completion percentage: **95.5%** (22695)

Completion percentage:

**95.5%**(22695)Completion percentage:

**95.5%**(22695)Percents

Count

#### 2019

#### 2020

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Nunca ouvi falar |

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

### My 2020 Pick: A11y Coffee

This is a fantastic intro resource for learning about web accessibility! I picked it because it's our job as JS devs to make sure that the sites we build are usable by everyone, not just sighted keyboard-and-mouse users.

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

#### Josh W. Comeau

Software-engineer-turned-educator

### Nullish CoalescingCompletion percentage: **95.7%** (22737)Completion percentage: **95.7%** (22737)

Completion percentage:

**95.7%**(22737)Completion percentage:

**95.7%**(22737)Percents

Count

#### 2020

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### Optional ChainingCompletion percentage: **95.7%** (22746)Completion percentage: **95.7%** (22746)

Completion percentage:

**95.7%**(22746)Completion percentage:

**95.7%**(22746)Percents

Count

#### 2020

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Nunca ouvi falar |

### Private FieldsCompletion percentage: **95.9%** (22786)Completion percentage: **95.9%** (22786)

Completion percentage:

**95.9%**(22786)Completion percentage:

**95.9%**(22786)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.

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