Baseline Widely available
The fill() method of TypedArray instances changes all elements within a range of indices in a typed array to a static value. It returns the modified typed array. This method has the same algorithm as Array.prototype.fill().
const uint8 = new Uint8Array([0, 0, 0, 0]);
// Value, start position, end position
uint8.fill(4, 1, 3);
console.log(uint8);
// Expected output: Uint8Array [0, 4, 4, 0]
fill(value)
fill(value, start)
fill(value, start, end)
value
Value to fill the typed array with.
start Optional
Zero-based index at which to start filling, converted to an integer.
end Optional
Zero-based index at which to end filling, converted to an integer. fill() fills up to but not including end.
The modified typed array, filled with value.
See Array.prototype.fill() for more details. This method is not generic and can only be called on typed array instances.
new Uint8Array([1, 2, 3]).fill(4); // Uint8Array [4, 4, 4]
new Uint8Array([1, 2, 3]).fill(4, 1); // Uint8Array [1, 4, 4]
new Uint8Array([1, 2, 3]).fill(4, 1, 2); // Uint8Array [1, 4, 3]
new Uint8Array([1, 2, 3]).fill(4, 1, 1); // Uint8Array [1, 2, 3]
new Uint8Array([1, 2, 3]).fill(4, -3, -2); // Uint8Array [4, 2, 3]
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