متدها (Method) و خصوصیات (Property) مربوط به رشته ها
Properties:
- length
- prototype
- constructor
Methods:
- ()charAt
- ()charCodeAt
- ()concat
- ()fromCharCode
- ()indexOf
- ()lastIndexOf
- ()match
- ()replace
- ()search
- ()slice
- ()split
- ()substr
- ()substring
- ()toLowerCase
- ()toUpperCase
- ()valueOf
