Untitled

<html>
<head>
</head>
<body>
<script type="text/javascript">
alert ("Podaj wartości zmiennych a i b")
var a
var b
a=prompt("Podaj liczbę a","")
b=prompt("Podaj liczbę b","")
var a = parseInt (a);
var b = parseInt (b);
document.write("a=",a)
document.write("<br>")
document.write("b=",b)
document.write("<br>")
document.write("a","+","b"," = ",a+b)
document.write("<br>")
document.write("a","-","b"," = ",a-b)
document.write("<br>")
document.write("a","*","b"," = ",a*b)
document.write("<br>")
document.write("a","/","b"," = ",a/b)
document.write("<br>")
document.write("a","%","b"," = ",a%b)
document.write("<br>")
document.write("++","a"," + ","b", " = ",++a + b);
document.write("<br>")
document.write("a","++"," + ","b", " = ",a++ + b);
document.write("<br>")
document.write("--a"," + " , "b", " = ",--a + b);
document.write("<br>")
document.write("a--"," + ","b", " = ",a-- + b);

console.log("Operatory arytmetyczne,inkrementacja,deinkrementacja")
</script>

</body>
</html>