I want to make ajax call to module functuion [closed]

I want on onclick event send some data to module and do some processing and get result back.

I have module name ‘custom’ and js code i have mentioned below. Url of page from where ajax call is made is 127.0.0.1/field-work

    Drupal.behaviors.custom = function (context, settings)
 {
    $(document).on('click', '#clear-filter', function() { 
    console.log("Hello");
    jQuery.ajax({
            type: 'POST',
            url: 'custom/field-work',
            dataType: 'json',
            success: function(data){
            console.log(data);
           },
        });
    });
};

Module code to receive ajax call have mentioned below.

function custom_menu() {
    $items['custom/field-work'] = array(
    'title' => t('foo AJAX'),
    'type' => MENU_CALLBACK,
    'page callback' => 'details_data',
    'access arguments' => array('access content'),
    );
    return $items;
}

From details_data i am returning some random data. But ajax call is not working. If i am removing drupal behaviour the js part is working fine.

Please help me out.

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I want to make ajax call to module functuion [closed]

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