19 lines
520 B
JavaScript
19 lines
520 B
JavaScript
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const button = document.getElementById("gomb")
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let szokoev = false
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button.addEventListener("click", () =>{
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const ev = parseInt(document.getElementById("ev").value)
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if (ev > 0){
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if (ev % 4 === 0 && ev % 100 != 0 || ev % 400 === 0){
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szokoev = true
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}
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if (szokoev){
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document.getElementById("eredmeny").innerHTML = "Szökőév!"
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}
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else{
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document.getElementById("eredmeny").innerHTML = "Nem szökőév!"
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}
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}
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})
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