We're looking for a user researcher to understand the needs of developers and designers. Is this you or someone you know? Check out the post: https://mzl.la/2IGzdXS

getUint8()方法DataView起始位置以byte为计数的指定偏移量(byteOffset)处获取一个无符号的8-bit整数(一个字节).

语法

dataview.getUint8(byteOffset)

参数

byteOffset
偏移量, 单位为字节, 从头开始计算.

抛出错误

RangeError
如果byteOffset超出了视图能储存的值,就会抛出错误.

描述

 没有对齐约束; 多字节值可以从任何偏移量获取.

例子

var buffer = new ArrayBuffer(8);
var dataview = new DataView(buffer);
dataview.getUint8(1); // 0

规范

规范 状态 说明
Typed Array Specification Obsolete Superseded by ECMAScript 6.
ECMAScript 2015 (6th Edition, ECMA-262)
DataView.prototype.getUint8
Standard Initial definition in an ECMA standard.
ECMAScript Latest Draft (ECMA-262)
DataView.prototype.getUint8
Draft  

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 9.0 15.0 (15.0) 10 12.1 5.1
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 4.0 (Yes) 15.0 (15) ? 12.0 4.2

相关内容

文档标签和贡献者

此页面的贡献者: Taoja
最后编辑者: Taoja,