DataView.prototype.setInt8() - JavaScript 编辑

setInt8()从DataView起始位置以byte为计数的指定偏移量(byteOffset)处储存一个8-bit数(一个字节).

The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

语法

dataview.setInt8(byteOffset, value)

参数

byteOffset

偏移量，从头开始计算，单位为字节

value

设置的整数值

返回

undefined.

抛出的错误

RangeError

如果byteOffset超出了视图能储存的值，就会抛出错误

例子

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

规范

Specification	Status	Comment
Typed Array Specification	Obsolete	Superseded by ECMAScript 6.
ECMAScript 2015 (6th Edition, ECMA-262) DataView.prototype.setInt8	Standard	Initial definition in an ECMA standard.

浏览器兼容性

BCD tables only load in the browser

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

相关内容

• DataView
• ArrayBuffer