J'utilise Socket.io, mais il n'y a pas de communication entre le client et le serveur

var socket = io.connect('http://localhost:8080');
Your server is running on 8080 however you are trying to connect :80. This should fix the problem.

J'ai recréé votre code et j'ai trouvé quelques petites choses nécessitant un ajustement.

1. Votre connexion IO comme mentionné ci-dessus - Ajoutez le port comme Li> ol>

   p>

    var socket = io.connect('http://localhost:8088');
           var board = ChessBoard('board', 'start');
   
           var msgButton = $('button');
   
           // $('.msgButton').click(() => {
           //   console.log('Hello');
           // });
   
   
           var board,
               game = new Chess();
   
           var removeGreySquares = function () {
               $('#board .square-55d63').css('background', '');
           };
   
           var greySquare = function (square) {
               var squareEl = $('#board .square-' + square);
   
               var background = '#a9a9a9';
               if (squareEl.hasClass('black-3c85d') === true) {
                   background = '#696969';
               }
   
               squareEl.css('background', background);
           };
   
           var onDragStart = function (source, piece) {
               // do not pick up pieces if the game is over
               // or if it's not that side's turn
               if (game.game_over() === true ||
                   (game.turn() === 'w' && piece.search(/^b/) !== -1) ||
                   (game.turn() === 'b' && piece.search(/^w/) !== -1)) {
                   return false;
               }
           };
   
           var onDrop = function (source, target) {
               removeGreySquares();
   
               // see if the move is legal
               var move = game.move({
                   from: source,
                   to: target,
                   promotion: 'q' // NOTE: always promote to a queen for example simplicity
               });
               // console.log('=== dron');
   
               // illegal move
               if (move === null) {
                   console.log('invalid');
                   return 'snapback';
               } else {
                   console.log('valid');
                   socket.emit("move", move)
               }
               
           };
   
           var onMouseoverSquare = function (square, piece) {
               // get list of possible moves for this square
               var moves = game.moves({
                   square: square,
                   verbose: true
               });
   
               // exit if there are no moves available for this square
               if (moves.length === 0) return;
   
               // highlight the square they moused over
               greySquare(square);
   
               // highlight the possible squares for this piece
               for (var i = 0; i < moves.length; i++) {
                   greySquare(moves[i].to);
               }
           };
   
           var onMouseoutSquare = function (square, piece) {
               removeGreySquares();
           };
   
           var onSnapEnd = function () {
               board.position(game.fen());
           };
   
           var cfg = {
               draggable: true,
               position: 'start',
               onDragStart: onDragStart,
               onDrop: onDrop,
               onMouseoutSquare: onMouseoutSquare,
               onMouseoverSquare: onMouseoverSquare,
               onSnapEnd: onSnapEnd
           };
           board = ChessBoard('board', cfg);
   
           // var socket = io();
           msgButton.click(function (e) {
               console.log('++clicked');
               socket.emit("message", "hello boi");
           });
   
           var handleMove = function (source, target) {
               var move = game.move({ from: source, to: target });
               console.log('===');
   
               if (move === null) return "snapback";
               else socket.emit("move", move);
           };
   
           socket.on("move", function (msg) {
               console.log('++move received: ', msg);
               game.move(msg);
               board.position(game.fen());
           });