URL 解析
最后更新于：2022-04-02 03:25:46
[TOC]
## URL
### url 生成
```
var url1 = new URL('index.html', 'http://example.com');
url1.href
// "http://example.com/index.html"
var url2 = new URL('page2.html', 'http://example.com/page1.html');
url2.href
// "http://example.com/page2.html"
var url3 = new URL('..', 'http://example.com/a/b.html')
url3.href
// "http://example.com/"
```
### url 解析
```
var url = new URL('http://user:passwd@www.example.com:4097/path/a.html?x=111#part1');
url.href // "http://user:passwd@www.example.com:4097/path/a.html?x=111#part1"
url.protocol // "http:"
url.hostname // "www.example.com"
url.host // "www.example.com:4097"
url.port // "4097"
url.origin // "http://www.example.com:4097"
url.pathname // "/path/a.html"
url.search // "?x=111"
url.searchParams // URLSearchParams {}
url.hash // "#part1"
url.password // "passwd"
url.username // "user"
```
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