function searchDirectory() { var input = document.getElementById("search").value; if(input){ var xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 201) { // Typical action to be performed when the document is ready: //Response from Request Ajax var jsonResponse = JSON.parse(xhttp.responseText); //We get the old table element, we create an new table element then we increment this new table. //After the new add, we replace the old table by the new one. var old_table = document.getElementById("users"); var table = document.createElement('tbody'); table.setAttribute("id","users"); for (let i =0; i < Object.keys(jsonResponse).length; i++) { var row = table.insertRow(0); var identifiant = row.insertCell(0); var name = row.insertCell(1); var email = row.insertCell(2); identifiant.innerHTML = `${jsonResponse[i].identifiant}` name.innerHTML = jsonResponse[i].name email.innerHTML = jsonResponse[i].email } old_table.parentNode.replaceChild(table, old_table) } }; xhttp.overrideMimeType("application/json"); xhttp.open("GET", "/search/".concat(input), true); xhttp.send(); } }