Yii2 ajax js request not finding action?

Question

JavaScript

routes:

'urlManager' => [
    'enablePrettyUrl' => true,
    'showScriptName' => false,
    'rules' => [
        '' => 'site/index',
        'sendMail' => 'site/sendMail',
    ],
]<img src="https://habrastorage.org/webt/5e/00/bb/5e00bbe8e081b833076907.png" alt="image"/>

action:

public function actionSendMail() {
    $dataMessage = [
        'name'    => trim( strip_tags( Yii::$app->request->post('name', '') ) ),
        'email'   => trim( strip_tags( Yii::$app->request->post('email', '') ) ),
        'number'  => trim( strip_tags( Yii::$app->request->post('number', '') ) ),
        'message' => trim( strip_tags( Yii::$app->request->post('message', '') ) )
    ];

    $miler = new SendMail();

    return $miler->SendMail($dataMessage);
}

js

fetch('/sendMail', {
    method: 'post',
    body: new FormData(form)
}).then((response) => {
    response.text().then((data) => {
        console.log(data);
    });
});

Answer 1

Write the correct action in the rules: 'sendMail' => 'site/send-mail'

Answer 2

https://developer.mozilla.org/ru/docs/Web/API/Fetc...