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Version: 3.28.0

ArrayBuffer()

The ArrayBuffer() constructor is used to create "ArrayBuffer" objects.

Syntax​

new ArrayBuffer(length)

Note: ArrayBuffer() can only be constructed with new. Attempting to call it without new throws a TypeError.

Parameters​

  • length
    • : The size, in bytes, of the array buffer to create.

Return value​

A new ArrayBuffer object of the specified size. Its contents are initialized to 0.

Exceptions​

  • RangeError
    • : Thrown if the length is larger than Number_MAX_SAFE_INTEGER (≥ 253) or negative.