make gitbook
Update README.md
2.3 章节 字符串和字符（Strings and Characters）一处引号错误
lost code
Merge pull request #157 from stanzhai/develop

完善一些细节
Fixed the Chinese period.

Fixed the Chinese period.
Merge pull request #159 from twlkyao/patch-1

Fixed the Chinese period.
Merge pull request #160 from stanzhai/develop

【泛型参数】校对Generic_Parameters_and_Arguments
Update README.md
Merge pull request #162 from xiehurricane/patch-1

Update README.md
Fixed the key of the dictionary.

Fixed the key of the dictionary.
Correction the wrong spelling.

Correction the wrong spelling.
Correct spelling.

Correct spelling.
Fixed the wrong translation.

Fixed the wrong translation of its.
Corrected spelling and useless period.

Corrected spelling and useless period.
Merge pull request #167 from twlkyao/patch-2

Corrected spelling and useless period.
Merge pull request #163 from twlkyao/patch-2

Fixed the key of the dictionary.
Merge pull request #164 from twlkyao/patch-1

Correction the wrong spelling.
Merge pull request #165 from twlkyao/patch-3

Correct spelling.
update optional chaining

1.“自判断”改为“可选”
2.“声明符号”改为“叹号”
3.“本是”改为“本身”
4.一些语法语义调整