JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://api-maps.yandex.ru/2.1/?lang=ru_RU" type="text/javascript"></script>
<div id="map1"></div>

CSS

#map1 {
    width: 800px;
    height: 600px;
}

JavaScript

ymaps.ready(init);
var myMap;

function init(){
    myMap = new ymaps.Map("map1", {
         center: [55.75399400, 37.62209300],
         zoom: 10});

    var myGeoObjects = new ymaps.GeoObjectCollection();
    myGeoObjects.add( new ymaps.Placemark(     [55.75399400,37.62209300]));

myMap.geoObjects.add(myGeoObjects);
}