Web-Api-BOM

常用的 BOM Api：

• window
• screen
• location
• navigator
• document
• history（已弃用）

window、screen

// 纯 HTML 内容区域的宽高（不包括收藏夹，导航栏等）window.innerHeight; 
window.innerWidth; 

// 包含收藏夹、导航栏、边框等元素的视窗宽高
window.outerHeight; 
window.outerWidth; 

// 与浏览器无关，只跟屏幕有关的（固定的）宽高
screen.height; 
screen.width; 

location

// 与 URL 相关的信息
/*
http://www.example.com:8080/path/index.html?a=1&b=2#TOP
*/

location.protocol; // 'http'
location.host; // 'www.example.com'
location.port; // '8080'
location.pathname; // '/path/index.html'
location.search; // '?a=1&b=2'
location.hash; // 'TOP'

navigator

// 与浏览器相关的信息
console.log('appName =' + navigator.appName);
console.log('appVersion =' + navigator.appVersion);
console.log('language =' + navigator.language);
console.log('platform =' + navigator.platform);
console.log('userAgent =' + navigator.userAgent);

// appName = Netscape
// appVersion = 5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
// language = zh-CN
// platform = Win32
// userAgent = Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36