IP 2

Valeri173

Nov 29th, 2021

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<!DOCTYPE html>
<html lang="bg">
<head>
<meta charset="UTF-8">
<title>Намиране на лице на правоъгълник и по-голямата му страна</title>
</head>
<body>
<label for="a">Въведете страната a: </label>
<input type="number" id="a1"><br><br>
<label for="b">Въведете страната b: </label>
<input type="number" id="b1"><br><br>
<button onclick="rectangleArea()">Изчисли</button>
<button onclick="clearValue()">Изтрий</button>
<h4 id="res"></h4>
<p id="bigSide"></p>
<script>
function rectangleArea() {
let a = parseFloat(document.getElementById("a1").value);
let b = parseFloat(document.getElementById("b1").value);
let S = a * b;
if (a !== null && a > 0 && b !== null && b > 0) {
document.getElementById("res").innerHTML = "S = " + S.toFixed(4);
}else{
document.getElementById("res").innerHTML = "Грешна стойност на страните!";
}
if(a > b) {
document.getElementById("bigSide").innerHTML = "По-голямата страна е " + a + ".";
} else {
document.getElementById("bigSide").innerHTML = "По-голямата страна е " + b + ".";
}
}
function clearValue() {
document.getElementById("a1").value = "";
document.getElementById("b1").value = "";
document.getElementById("res").innerHTML = "";
document.getElementById("bigSide").innerHTML = "";
}
</script>
</body>
</html>

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