State of JavaScript 2024

Which of these syntax features have you used?

Dynamic ImportLoad a module asynchronously and dynamically.

Nullish CoalescingReturn first value, or second value if first value is null or undefined.

Private PropertiesProperties that cannot be legally referenced outside of the class.

Logical AssignmentOperators to assign a value to a variable based on its own truthy/falsy status.

error.causeIndicate the specific original cause of the error.

Hashbang GrammarProvide the path to a specific JavaScript interpreter that you want to use to execute the script.

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Which of these String features have you used?

string.replaceAll()Replace all instances of a string.

string.matchAll()Return an iterator of all results matching this string against a regular expression.

Regexp Match IndicesStore the start and end positions of each matched capture group.

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Which of these Array features have you used?

array.findLast()Returns the value of the last element that satisfies the testing function.

array.toSorted() Sort without mutating the original array.

array.toReversed() Reverse without mutating the original array.

array.with() Returns a new array with the element at the given index replaced with the given value.

array.toSpliced() Splice without mutating the original array.

array.fromAsync() Similar to Array.from but for async iterators.

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Which of these Set features have you used?2024

set.intersection() Returns a new set containing elements in both this set and the given set.

set.union() Returns a new set containing elements of both this set and the given set.

set.difference() Returns a new set containing elements in this set but not in the given set.

set.symmetricDifference() Returns a new set containing elements which are in either this set or the given set, but not in both.

set.isSubsetOf() Returns a boolean indicating if all elements of this set are in the given set.

set.isSupersetOf() Returns a boolean indicating if all elements of the given set are in this set.

set.isDisjointFrom() Returns a boolean indicating if this set has no elements in common with the given set.

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Which of these Object features have you used?2024

Object.groupBy() Group the elements of a given iterable according to the string values returned by a provided function.

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Which of these async features have you used?

Promise.allSettled()Returns a single Promise that fulfills when all of the input's promises fulfills.

Promise.any()Returns a single Promise that fulfills when any of the input's promises fulfills.

Promise.try()Take a callback of any kind and wrap its result in a Promise.

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What are your main pain points regarding the JavaScript language?

What are your main pain points regarding browser APIs?

Front-end Frameworks

1/11Features

Which of these syntax features have you used?

Which of these String features have you used?

Which of these Array features have you used?

Which of these Set features have you used?2024

Which of these Object features have you used?2024

Which of these async features have you used?

Which of these browser APIs have you used?

What are your main pain points regarding the JavaScript language?

What are your main pain points regarding browser APIs?