JSFiddle - React, Tailwind, and code Playground

JavaScript

var xml = '<TileMaps><level><map>[[0,0,0,0,0,0,0],[0,3,0,0,2,0,0],[0,0,0,0,4,0,4],[0,0,0,0,5,0,5],[0,0,0,0,0,0,1],[0,0,2,5,0,0,0],[0,0,0,2,0,0,0],[0,4,0,0,0,0,0],[0,0,0,0,0,0,0]]</map></level></TileMaps>';

var map = $.parseJSON($(xml).find("map").text());

alert(map[0]);
alert(map[1]);