<!DOCTYPE html>
<button type="button" onclick="pobierz_dane()">Pobierz plik
</button>
function pobierz_dane(){
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function(){
if (this.readyState == 4 && this.status == 200) {
wyswietl_odpowiedz(this.responseText);
}
};
xhttp.open("POST", "slowa.txt", true);
xhttp.send();
}
function wyswietl_odpowiedz(plik){
var linie_pliku = plik.split("\r\n");
alert(linie_pliku[0].charAt(0))
var kontener = document.getElementById("kontener");
var slowa="";
for(var i=0;i<linie_pliku.length;i++){
if(linie_pliku[i].charAt(0)=="A")
{slowa=slowa+linie_pliku[i]+"<br>"
}
}
kontener.innerHTML=slowa;
}
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}