$(document).ready(function () {
    $("#blink").on('click',function(){

        let url = '/cgi-bin/test.cgi?action=blink';
        let postData = {
        }

        $.ajax({
            type: 'POST',
            url: url,
            data: postData,
            dataType: "json",
            //contentType: "application/json; charset=utf-8",
            success: function (res) {
                if (res.success) {
                    data = res.content
                }
                else {
                    alert(res.message)
                }
            },
            error: function (res) {
            }
        })
    })
})