Laravel Error:csrf token mismatch for ajax POST Request

Reference1
Reference2
Laravel csrf token mismatch for ajax POST Request

{message: "CSRF token mismatch.", exception: "Symfony\Component\HttpKernel\Exception\HttpException",…}
exception
:
"Symfony\\Component\\HttpKernel\\Exception\\HttpException"
file
:
"C:\\xampp\\htdocs\\holidaylandmark\\events\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Exceptions\\Handler.php"
line
:
389
message
:
"CSRF token mismatch."
trace
:
[{,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…}, {,…},…]

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*js file *

solution: