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  6. DataView.prototype.setInt8()
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DataView.prototype.setInt8()

20157

setInt8() DataView byte (byteOffset) 8-bit ()

// Create an ArrayBuffer with a size in bytes
const buffer = new ArrayBuffer(16);

const view = new DataView(buffer);
view.setInt8(1, 127); // Max signed 8-bit integer

console.log(view.getInt8(1));
// Expected output: 127


dataview.setInt8(byteOffset, value)

byteOffset

value

undefined.

RangeError

byteOffset

js
var buffer = new ArrayBuffer(8);
var dataview = new DataView(buffer);
dataview.setInt8(1, 3);
dataview.getInt8(1); // 3

ECMAScript 2027 LanguageSpecification
# sec-dataview.prototype.setint8

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  1. JavaScript
  2. DataView
    1. DataView()
    1. getBigInt64()
    2. DataView.prototype.getBigUint64()
    3. DataView.prototype.getFloat16()
    4. getFloat32()
    5. DataView.prototype.getFloat64()
    6. DataView.prototype.getInt8()
    7. getInt16()
    8. DataView.prototype.getInt32()
    9. DataView.prototype.getUint8()
    10. DataView.prototype.getUint16()
    11. DataView.prototype.getUint32()
    12. DataView.prototype.setBigInt64()
    13. DataView.prototype.setBigUint64()
    14. DataView.prototype.setFloat16()
    15. DataView.prototype.setFloat32()
    16. DataView.prototype.setFloat64()
    17. DataView.prototype.setInt8()
    18. DataView.prototype.setInt16()
    19. DataView.prototype.setInt32()
    20. DataView.prototype.setUint8()
    21. DataView.prototype.setUint16()
    22. DataView.prototype.setUint32()
    1. DataView.prototype.buffer
    2. DataView.prototype.byteLength
    3. DataView.prototype.byteOffset
  7. 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
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