access laravel helper function with parameters on javascript [duplicate]

i want access laravel helper function on javascript

i have such line code as this :

$codeReduction = $(‘#code’).val();
$reduction = “{{ getReduction(“‘ + $codeReduction + ‘”, 1) }}”;

getReduction() is the helper function which has two parameters i want pass those parameters after rescue the first from val of textfield ($codeReduction)