44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
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const randomSzamInput = document.getElementById("randomSzam")
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const generaltSzamok = document.getElementById("generaltSzamok")
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const button = document.querySelector("button")
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button.addEventListener("click", () => {
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const randomSzamok = []
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let generaltSzamokChildren = Array.from(generaltSzamok.children)
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generaltSzamokChildren.forEach(child => {
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generaltSzamok.removeChild(child)
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})
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let myPromise = new Promise((resolve, reject) => {
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let success
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if (Number.isInteger(Number(randomSzamInput.value))) {
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success = true
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} else {
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success = false
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}
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setTimeout(() => {
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if (success) {
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for (let i = 0; i < Number(randomSzamInput.value); i++) {
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let randomSzam = Math.floor(Math.random() * 100)
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randomSzamok.push(randomSzam)
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}
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resolve(randomSzamok)
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} else {
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reject("Probléma volt a kód futásával!")
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}
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}, 2000)
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})
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myPromise
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.then(result => {
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let generaltSzamokP = document.createElement("p")
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generaltSzamokP.innerHTML = `Generált számok: ${result.join(", ")}`
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generaltSzamok.appendChild(generaltSzamokP)
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})
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.catch(error => {
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let generaltSzamokP = document.createElement("p")
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generaltSzamokP.innerHTML = error
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generaltSzamok.appendChild(generaltSzamokP)
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})
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})
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