# Class DataView - [TopLevel.Object](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md) - [TopLevel.DataView](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md) The DataView provides low level access to [ArrayBuffer](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.ArrayBuffer.md). **API Version:** :::note Available from version 21.2. ::: ## Property Summary | Property | Description | | --------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------- | | [buffer](#buffer): [ArrayBuffer](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.ArrayBuffer.md) | The array buffer referenced by this view. | | [byteLength](#bytelength): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) | The number of bytes in the array buffer used by this view. | | [byteOffset](#byteoffset): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) | The start offset for this view within the array buffer. | ## Constructor Summary | Constructor | Description | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------ | | [DataView](#dataviewarraybuffer-number-number)([ArrayBuffer](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.ArrayBuffer.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)) | Creates a data view on the given [ArrayBuffer](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.ArrayBuffer.md). | ## Method Summary | Method | Description | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- | | [getFloat32](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#getfloat32number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Returns the 32-bit floating point number at the given offset. | | [getFloat64](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#getfloat64number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Returns the 64-bit floating point number at the given offset. | | [getInt16](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#getint16number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Returns the 16-bit signed integer number at the given offset. | | [getInt32](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#getint32number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Returns the 32-bit signed integer number at the given offset. | | [getInt8](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#getint8number)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)) | Returns the 8-bit signed integer number at the given offset. | | [getUint16](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#getuint16number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Returns the 16-bit unsigned integer number at the given offset. | | [getUint32](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#getuint32number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Returns the 32-bit unsigned integer number at the given offset. | | [getUint8](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#getuint8number)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)) | Returns the 8-bit unsigned integer number at the given offset. | | [setFloat32](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#setfloat32number-number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Writes a 32-bit floating point number into the byte array at the given offset. | | [setFloat64](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#setfloat64number-number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Writes a 64-bit floating point number into the byte array at the given offset. | | [setInt16](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#setint16number-number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Writes a 16-bit signed integer number into the byte array at the given offset. | | [setInt32](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#setint32number-number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Writes a 32-bit signed integer number into the byte array at the given offset. | | [setInt8](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#setint8number-number)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)) | Writes an 8-bit signed integer number into the byte array at the given offset. | | [setUint16](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#setuint16number-number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Writes a 16-bit unsigned integer number into the byte array at the given offset. | | [setUint32](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#setuint32number-number-boolean)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)) | Writes a 32-bit unsigned integer number into the byte array at the given offset. | | [setUint8](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.DataView.md#setuint8number-number)([Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)) | Writes an 8-bit unsigned integer number into the byte array at the given offset. | ### Methods inherited from class Object [assign](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#assignobject-object), [create](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#createobject), [create](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#createobject-object), [defineProperties](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#definepropertiesobject-object), [defineProperty](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#definepropertyobject-object-object), [entries](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#entriesobject), [freeze](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#freezeobject), [fromEntries](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#fromentriesiterable), [getOwnPropertyDescriptor](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#getownpropertydescriptorobject-object), [getOwnPropertyNames](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#getownpropertynamesobject), [getOwnPropertySymbols](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#getownpropertysymbolsobject), [getPrototypeOf](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#getprototypeofobject), [hasOwnProperty](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#hasownpropertystring), [is](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#isobject-object), [isExtensible](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#isextensibleobject), [isFrozen](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#isfrozenobject), [isPrototypeOf](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#isprototypeofobject), [isSealed](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#issealedobject), [keys](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#keysobject), [preventExtensions](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#preventextensionsobject), [propertyIsEnumerable](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#propertyisenumerablestring), [seal](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#sealobject), [setPrototypeOf](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#setprototypeofobject-object), [toLocaleString](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#tolocalestring), [toString](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#tostring), [valueOf](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#valueof), [values](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Object.md#valuesobject) ## Property Details ### buffer - buffer: [ArrayBuffer](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.ArrayBuffer.md) - : The array buffer referenced by this view. *** ### byteLength - byteLength: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : The number of bytes in the array buffer used by this view. *** ### byteOffset - byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : The start offset for this view within the array buffer. *** ## Constructor Details ### DataView(ArrayBuffer, Number, Number) - DataView(buffer: [ArrayBuffer](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.ArrayBuffer.md), byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), byteLength: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)) - : Creates a data view on the given [ArrayBuffer](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.ArrayBuffer.md). **Parameters:** - buffer - The array buffer storage object. - byteOffset - Optional. The offset within the array buffer in bytes. - byteLength - Optional. The number of bytes visible to this view. *** ## Method Details ### getFloat32(Number, Boolean) - getFloat32(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : Returns the 32-bit floating point number at the given offset. **Parameters:** - byteOffset - The offset within the view. - littleEndian - Optional. Default is false. Use true if the number is stored in little-endian format. *** ### getFloat64(Number, Boolean) - getFloat64(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : Returns the 64-bit floating point number at the given offset. **Parameters:** - byteOffset - The offset within the view. - littleEndian - Optional. Default is false. Use true if the number is stored in little-endian format. *** ### getInt16(Number, Boolean) - getInt16(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : Returns the 16-bit signed integer number at the given offset. **Parameters:** - byteOffset - The offset within the view. - littleEndian - Optional. Default is false. Use true if the number is stored in little-endian format. *** ### getInt32(Number, Boolean) - getInt32(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : Returns the 32-bit signed integer number at the given offset. **Parameters:** - byteOffset - The offset within the view. - littleEndian - Optional. Default is false. Use true if the number is stored in little-endian format. *** ### getInt8(Number) - getInt8(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : Returns the 8-bit signed integer number at the given offset. **Parameters:** - byteOffset - The offset within the view. *** ### getUint16(Number, Boolean) - getUint16(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : Returns the 16-bit unsigned integer number at the given offset. **Parameters:** - byteOffset - The offset within the view. - littleEndian - Optional. Default is false. Use true if the number is stored in little-endian format. *** ### getUint32(Number, Boolean) - getUint32(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : Returns the 32-bit unsigned integer number at the given offset. **Parameters:** - byteOffset - The offset within the view. - littleEndian - Optional. Default is false. Use true if the number is stored in little-endian format. *** ### getUint8(Number) - getUint8(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)): [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md) - : Returns the 8-bit unsigned integer number at the given offset. **Parameters:** - byteOffset - The offset within the view. *** ### setFloat32(Number, Number, Boolean) - setFloat32(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), value: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): void - : Writes a 32-bit floating point number into the byte array at the given offset. **Parameters:** - byteOffset - The offset within the view. - value - The value to be written. - littleEndian - Optional. Default is false. Use true if the little-endian format is to be used. *** ### setFloat64(Number, Number, Boolean) - setFloat64(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), value: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): void - : Writes a 64-bit floating point number into the byte array at the given offset. **Parameters:** - byteOffset - The offset within the view. - value - The value to be written. - littleEndian - Optional. Default is false. Use true if the little-endian format is to be used. *** ### setInt16(Number, Number, Boolean) - setInt16(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), value: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): void - : Writes a 16-bit signed integer number into the byte array at the given offset. **Parameters:** - byteOffset - The offset within the view. - value - The value to be written. - littleEndian - Optional. Default is false. Use true if the little-endian format is to be used. *** ### setInt32(Number, Number, Boolean) - setInt32(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), value: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): void - : Writes a 32-bit signed integer number into the byte array at the given offset. **Parameters:** - byteOffset - The offset within the view. - value - The value to be written. - littleEndian - Optional. Default is false. Use true if the little-endian format is to be used. *** ### setInt8(Number, Number) - setInt8(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), value: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)): void - : Writes an 8-bit signed integer number into the byte array at the given offset. **Parameters:** - byteOffset - The offset within the view. - value - The value to be written. *** ### setUint16(Number, Number, Boolean) - setUint16(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), value: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): void - : Writes a 16-bit unsigned integer number into the byte array at the given offset. **Parameters:** - byteOffset - The offset within the view. - value - The value to be written. - littleEndian - Optional. Default is false. Use true if the little-endian format is to be used. *** ### setUint32(Number, Number, Boolean) - setUint32(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), value: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), littleEndian: [Boolean](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Boolean.md)): void - : Writes a 32-bit unsigned integer number into the byte array at the given offset. **Parameters:** - byteOffset - The offset within the view. - value - The value to be written. - littleEndian - Optional. Default is false. Use true if the little-endian format is to be used. *** ### setUint8(Number, Number) - setUint8(byteOffset: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md), value: [Number](/docs/commerce/b2c-commerce/references/b2c-script-api/TopLevel.Number.md)): void - : Writes an 8-bit unsigned integer number into the byte array at the given offset. **Parameters:** - byteOffset - The offset within the view. - value - The value to be written. ***