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Completion percentage:

**81%**Completion percentage:

**81%**Completion percentage:

**46%**Completion percentage:

**46%**Completion percentage:

**60%**Completion percentage:

**60%**Completion percentage:

**89%**Completion percentage:

**89%**Completion percentage:

**26%**Completion percentage:

**26%**Completion percentage:

**69%**Completion percentage:

**69%**Completion percentage:

**89%**Completion percentage:

**89%**Completion percentage:

**4%**Completion percentage:

**4%**Completion percentage:

**41%**Completion percentage:

**41%**Completion percentage:

**38%**Completion percentage:

**38%**Completion percentage:

**94%**Completion percentage:

**94%**Completion percentage:

**80%**Completion percentage:

**80%**Completion percentage:

**38%**Completion percentage:

**38%**Completion percentage:

**66%**Completion percentage:

**66%**Completion percentage:

**41%**Completion percentage:

**41%**Completion percentage:

**85%**Completion percentage:

**85%**Completion percentage:

**65%**Completion percentage:

**65%**Completion percentage:

**77%**Completion percentage:

**77%**Completion percentage:

**78%**Completion percentage:

**78%**Completion percentage:

**87%**Completion percentage:

**87%**Completion percentage:

**84%**Completion percentage:

**84%**## Features

While most respondents were aware of the majority of JavaScript features mentioned in the survey, many still have yet to actually use most of them.

This chart presents the various adoption rates for all features, grouped by category.

The size of the outer circle corresponds to the total number of users who know about a feature, while the inner one represents those who have actually used it.

Hover on each node to view detailed data along with an overlay representing the total number of survey respondents.

Know about it | |

Have used it |

### Knowledge Score

Percents

Count

Out of all the features mentioned in the survey, how many did the respondent know about?