We getting issue with marker

// Initialize leaflet.js
var L = require('leaflet');
// Initialize the map
var map = L.map('map', {
scrollWheelZoom: false
});
// Set the position and zoom level of the map
map.setView([47.70, 13.35], 7);
// Initialize the base layer
var osm_mapnik = L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 19,
attribution: '© OSM Mapnik OpenStreetMap'
}).addTo(map);
L.marker([100.00,100.00]).addTo(map);
We getting issue with marker
// Initialize leaflet.js
var L = require('leaflet');
// Initialize the map
var map = L.map('map', {
scrollWheelZoom: false
});
// Set the position and zoom level of the map
map.setView([47.70, 13.35], 7);
// Initialize the base layer
var osm_mapnik = L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 19,
attribution: '© OSM Mapnik OpenStreetMap'
}).addTo(map);
L.marker([100.00,100.00]).addTo(map);