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TypedArray.prototype.some() - JavaScript | MDN
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TypedArray.prototype.some()

20169

some() TypedArray Array.prototype.some() TypedArray typed array types 

function isNegative(element, index, array) {
  return element < 0;
}

const int8 = new Int8Array([-10, 20, -30, 40, -50]);
const positives = new Int8Array([10, 20, 30, 40, 50]);

console.log(int8.some(isNegative));
// Expected output: true

console.log(positives.some(isNegative));
// Expected output: false

js
some(callbackFn)
some(callbackFn, thisArg)

callback

3

currentValue

typed array

index

typed array

array

typed array

thisArg

callback this .

true callback truthy; false.

typed array some callbackcallback true some true. some false.

callback 3

some thisArg, thisArg callback this . callback this undefined. callback this this

some typed array .

typed array 10.

js
function isBiggerThan10(element, index, array) {
  return element > 10;
}
new Uint8Array([2, 5, 8, 1, 4]).some(isBiggerThan10); // false
new Uint8Array([12, 5, 8, 1, 4]).some(isBiggerThan10); // true

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

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  1. JavaScript
  2. 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
  8. 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
  14. BigInt64Array
  15. BigUint64Array
  16. Float16Array
  17. Float32Array
  18. Float64Array
  19. Int8Array
  20. Int16Array
  21. Int32Array
  22. Uint8Array
  23. Uint8ClampedArray
  24. Uint16Array
  25. Uint32Array
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