urlObject.search

search 属性由网址的整个“查询字符串”部分组成，包括前导 ASCII 问号 (?) 字符。

例如：'?query=string'。

不执行查询字符串的解码。

The search property consists of the entire "query string" portion of the URL, including the leading ASCII question mark (?) character.

For example: '?query=string'.

No decoding of the query string is performed.