socket = io(); const form = document.querySelector("#form"); socket.on("connect", () => { console.log(socket); }); form.addEventListener('submit',function(e){ e.preventDefault(); value = form.querySelector("input[name=pseudo]").value; console.log(`[Client Side] inputValue : ${value}`); if(value) { socket.emit('testing',value); console.log(`emitted`); value= "VIDE"; } })