string-utils
Usage
const
stringApi
=
require
(
'
js_str_utils
'
);
method stringApi.isString(val)
### isString(val) ```javascript stringApi.isString(val) // where val and expected output as below ``` | val | Output | | ------------- | ------------- | | `""` (an empty string) | `Error: Please provided a valid input!` | | `null` | `Error: Please provided a valid input!` | | `undefined` | `Error: Please provided a valid input!` | | `"JavaScript"` (a string) | `true` | | `"1234"` (a string) | `true` | | `1234` (a number) | `false` | | `true` (a boolean) | `false` | | `{}` (a Object) | `false` | | `[]` (an array) | `false` |
method stringApi.isPalindrome(val)
### isPalindrome(val) ```javascript stringApi.isPalindrome(val) // where val and expected output as below ``` | val | Output | | ------------- | ------------- | | `""` (an empty string) | `Error: Please provided a valid input!` | | `null` | `Error: Please provided a valid input!` | | `undefined` | `Error: Please provided a valid input!` | | `"JavaScript"` (a string) | `false` | | `"madam"` (a string) | `true` | | `121` (a number) | `true` | | `1214` (a number) | `false` | | `true` (a boolean) | `false` | | `{}` (a Object) | `false` | | `[]` (an array) | `false` |