TypedArray.prototype.fill()

20169

fill() Array.prototype.fill() TypedArray

fill(value)
fill(value, start)
fill(value, start, end)

value
start: 0
end: this.length

[start, end)

fill valuestart endstart end 0 this.length

start length+start length end length+end

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]

TypedArray Array.prototype.fill()

// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.fill
if (!Uint8Array.prototype.fill) {
  Uint8Array.prototype.fill = Array.prototype.fill;
}


ECMAScript 2027 LanguageSpecification # sec-%typedarray%.prototype.fill

Array.prototype.fill()

MDN

20251023 MDN

GitHub

JavaScript
TypedArray
1. TypedArray.from()
2. TypedArray.of()
1. TypedArray.BYTES_PER_ELEMENT
2. TypedArray[Symbol.species]
1. at()
2. TypedArray.prototype.copyWithin()
3. TypedArray.prototype.entries()
4. TypedArray.prototype.every()
5. TypedArray.prototype.fill()
6. TypedArray.prototype.filter()
7. TypedArray.prototype.find()
8. TypedArray.prototype.findIndex()
9. findLast()
10. findLastIndex()
11. TypedArray.prototype.forEach()
12. TypedArray.prototype.includes()
13. TypedArray.prototype.indexOf()
14. TypedArray.prototype.join()
15. TypedArray.prototype.keys()
16. TypedArray.prototype.lastIndexOf()
17. TypedArray.prototype.map()
18. TypedArray.prototype.reduce()
19. TypedArray.prototype.reduceRight()
20. TypedArray.prototype.reverse()
21. set()
22. slice()
23. TypedArray.prototype.some()
24. TypedArray.prototype.sort()
25. TypedArray.prototype.subarray()
26. TypedArray.prototype.toLocaleString()
27. toReversed()
28. TypedArray.prototype.toSorted()
29. toString()
30. TypedArray.prototype.values()
31. TypedArray.prototype.with()
32. TypedArray.prototype[Symbol.iterator]()
1. TypedArray.prototype.buffer
2. TypedArray.prototype.byteLength
3. TypedArray.prototype.byteOffset
4. TypedArray.prototype.length
Object/Function
1. Function.prototype.apply()
2. Function.prototype.bind()
3. Function.prototype.call()
4. Function.prototype.toString()
5. Function.prototype[Symbol.hasInstance]()
1. Function.displayName
2. Functionlength
3. Function.name
4. Function.prototype.prototype
5. Function.prototype.arguments
6. Function.prototype.caller
1. Object.prototype.__defineGetter__()
2. Object.prototype.__defineSetter__()
3. Object.prototype.__lookupGetter__()
4. Object.prototype.__lookupSetter__()
5. Object.prototype.hasOwnProperty()
6. Object.prototype.isPrototypeOf()
7. Object.prototype.propertyIsEnumerable()
8. Object.prototype.toLocaleString()
9. Object.prototype.toString()
10. Object.prototype.valueOf()
1. Object.prototype.__proto__
2. Object.prototype.constructor
BigInt64Array
BigUint64Array
Float16Array
Float32Array
Float64Array
Int8Array
Int16Array
Int32Array
Uint8Array
Uint8ClampedArray
Uint16Array
Uint32Array