Oblicz dwie liczby i Dyplay Następne pole bez ponownego załadowania strony JavaScript
var text1 = document.getElementById("Text1");
var text2 = document.getElementById("Text2");
function add_number() {
var first_number = parseFloat(text1.value);
if (isNaN(first_number)) first_number = 0;
var second_number = parseFloat(text2.value);
if (isNaN(second_number)) second_number = 0;
var result = first_number + second_number;
document.getElementById("txtresult").value = result;
}
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