<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Page Title</title>
<style>
html{
margin-top: 0%;
margin-left: 0%;
}
body{
background-color: #2d3436;
color:#dfe6e9;
}
</style>
</head>
<body>
kierunek <input type="text" id="kierunek"><br>
klasa <input type="text" id="klasa"><br>
<button id="sprawdz">SPRAWDŹ</button>
<p id="wynik"></p>
<script>
var g1 = document.getElementById('sprawdz');
g1.addEventListener('click', function(){
var d1 = document.getElementById('kierunek').value;
var d2 = document.getElementById('klasa').value;
var w1 = document.getElementById('wynik');
if(d1 && d2){
var ex = /^[0-9]{1}[a-gA-G]{1}$/;
if( ex.test(d2) ){
w1.innerHTML = "Kierunek: "+d1+"<br> klasa: "+d2;
}
else{
w1.innerHTML = "podano blednie";
}
}
else{
alert("Nie wprowadzono danych");
}
})
</script>
</body>
</html>
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