Typed Array Reference
Typed Array Methods
Revised July 2025
Method | Description |
---|---|
at() | Returns one indexed element from a typed array |
byteLength | Returns one indexed element from a typed array |
byteOffset | Returns one indexed element from a typed array |
BYTES_PER_ ELEMENT |
Returns the number of bytes used to store one element |
copyWithin() | Copies array elements to another position in the array |
entries() | Returns an iterator object with the key/value pairs from the array |
every() | Executes a function for each typed array element |
fill() | Fill all array elements with a value |
filter() | Returns a new array filled with elements that pass a test |
find() | Returns the first element that satisfies a condition |
findIndex() | Returns the index of the first element that satisfies a condition |
findLast() | Returns the last element that satisfies a condition |
findLastIndex() | Returns the index of the last element that satisfies a condition |
forEach() | Executes a function for each typed array element |
from() | Returns a typed array from any object with a length property |
includes() | Returns true if an array includes a specified value |
indexOf() | Returns the first index (position) of a specified value |
keys() | Returns the keys of a typed Array |
lastIndexOf() | Returns the last index (position) of a specified value |
length | Returns the lenth of the typed array |
map() | Returns a new array from calling a function for every array element |
name | Returns the name of the typed array |
of() | Returns a new typed array from an existing array |
reduce() | Reduce the values of an array to a single value |
reduceRight() | Reduce the values of an array to a single value (right-to-left) |
reverse() | Reverses a typed array in place |
some() | Reurns true if one element satisfies a condition |
sort() | Sorts an array in place |
subarray() | Returns a subarray in the same memory space |
toReversed() | Reverses an array in place |
toSorted() | Sorts an array in place |
toString() | Returns a string of all typed array elements |
with() | Returns a new typed array with an updated array element |
Browser Support
Typed Array
is an ECMAScript6 (ES6 2015) feature.
JavaScript 2015 is fully supported in all modern browsers since June 2017:
Chrome 51 | Edge 15 | Firefox 54 | Safari 10 | Opera 38 |
May 2016 | Apr 2017 | Jun 2017 | Sep 2016 | Jun 2016 |