vanilla

let token = {
    "access_token":"eyJhbGciOiJSUzI1NiJ9.eyJqdGIsImhpc3Rvcmlhbl9z87rks8V38Q"
};


const checkAPI = document.querySelector('#checkAPI');
checkAPI.addEventListener('click', checkHistorianAPI);

let url = `http://10.1.1.31:80/historian-rest-api/v1/tags?nameMask=*&maxNumber=100`;

async function checkHistorianAPI() {
    let response = await fetch(url, {
        method: 'get',
        headers: {
            "Authorization": `Bearer ${token.access_token}`,
            'mode': 'cors'
        }});
    console.log(response);
}