//The content of this file get set into ha_discovery_script (new_http.cs) function send_ha_disc() { var xhr = new XMLHttpRequest(); xhr.open( "GET", "/ha_discovery?prefix=" + document.getElementById("ha_disc_topic").value, false ); xhr.onload = function () { if (xhr.status === 200) { alert(xhr.responseText); } else if (xhr.status === 404) { alert("Error invoking ha_discovery"); } }; xhr.onerror = function () { alert("Error invoking ha_discovery"); }; xhr.send(); }