58 lines
2.5 KiB
JavaScript
58 lines
2.5 KiB
JavaScript
function Somma() {
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document.getElementById("numero2").style.background = "skyblue";
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if (isNaN(parseInt(document.getElementById("numero1").value)) || isNaN(parseInt(document.getElementById("numero2").value))) {
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document.getElementById("output").value = "Errore";
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document.getElementById("output").style.background = "red";
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}
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else {
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document.getElementById("output").value = parseInt(document.getElementById("numero1").value) + parseInt(document.getElementById("numero2").value);
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document.getElementById("output").style.background = "lightgreen";
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}
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}
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function Differenza() {
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document.getElementById("numero2").style.background = "skyblue";
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if (isNaN(parseInt(document.getElementById("numero1").value)) || isNaN(parseInt(document.getElementById("numero2").value))) {
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document.getElementById("output").value = "Errore";
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document.getElementById("output").style.background = "red";
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}
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else {
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document.getElementById("output").value = parseInt(document.getElementById("numero1").value) - parseInt(document.getElementById("numero2").value);
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document.getElementById("output").style.background = "lightgreen";
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}
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}
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function Prodotto() {
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document.getElementById("numero2").style.background = "skyblue";
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if (isNaN(parseInt(document.getElementById("numero1").value)) || isNaN(parseInt(document.getElementById("numero2").value))) {
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document.getElementById("output").value = "Errore";
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document.getElementById("output").style.background = "red";
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}
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else {
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document.getElementById("output").value = parseInt(document.getElementById("numero1").value) * parseInt(document.getElementById("numero2").value);
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document.getElementById("output").style.background = "lightgreen";
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}
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}
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function Quoziente() {
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document.getElementById("numero2").style.background = "skyblue";
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if (isNaN(parseInt(document.getElementById("numero1").value)) || isNaN(parseInt(document.getElementById("numero2").value))) {
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document.getElementById("output").value = "Errore";
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document.getElementById("output").style.background = "red";
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}
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else if (parseInt(document.getElementById("numero2").value) == 0) {
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document.getElementById("output").value = "Errore";
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document.getElementById("output").style.background = "red";
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document.getElementById("numero2").style.background = "red";
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}
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else {
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document.getElementById("output").value = parseInt(document.getElementById("numero1").value) / parseInt(document.getElementById("numero2").value);
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document.getElementById("output").style.background = "lightgreen";
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}
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}
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