|
1 | | -const form = document.querySelector('form'); |
2 | | - |
| 1 | +const inputEl = document.getElementById("input"); |
| 2 | +const errorEl = document.getElementById("error"); |
| 3 | +const resultsEl = document.getElementById("result"); |
3 | 4 |
|
4 | 5 | //add an event listener to the form |
| 6 | +let time; |
| 7 | +let errorTime; |
| 8 | + |
| 9 | +function updateResults() { |
| 10 | + if (inputEl.value <= 0 || isNaN(inputEl.value)) { |
| 11 | + clearTimeout(errorTime); |
| 12 | + errorEl.innerText = "Please enter a valid number!"; |
| 13 | + errorTime = setTimeout(function () { |
| 14 | + errorEl.innerText = ""; |
| 15 | + }, 2000); |
| 16 | + inputEl.value = ""; |
| 17 | + } else { |
| 18 | + clearTimeout(time); |
5 | 19 |
|
6 | | -form.addEventListener('submit', function(e){ |
7 | | - e.preventDefault(); |
8 | | - const input = document.querySelector('input'); |
9 | | - let results = document.querySelector('span'); |
10 | | - let poundsToKG; |
| 20 | + resultsEl.innerText = (+inputEl.value / 2.2).toFixed(2); |
| 21 | + time = setTimeout(function () { |
| 22 | + resultsEl.innerText = ""; |
| 23 | + inputEl.value = ""; |
| 24 | + }, 10000); |
| 25 | + } |
| 26 | +} |
11 | 27 |
|
12 | | - if ((input.value <= 0) || (isNaN(input.value))){ |
13 | | - results.classList.add('error'); |
14 | | - results.innerHTML = "<p>Please enter a value number!</p>" |
15 | | - setTimeout(function(){ |
16 | | - results.innerHTML = ''; |
17 | | - |
18 | | - results.classList.remove('error'); |
19 | | - }, 2000) |
20 | | - input.value = ''; |
21 | | - } else { |
22 | | - poundsToKG = Number(input.value) / 2.2; |
23 | | - results.classList.add('no-error'); |
24 | | - results.innerHTML = `${poundsToKG.toFixed(2)}`; |
25 | | - setTimeout(function(){ |
26 | | - results.innerHTML = ''; |
27 | | - input.value = ''; |
28 | | - results.classList.remove('no-error'); |
29 | | - }, 10000) |
30 | | - |
31 | | - } |
32 | | - |
33 | | - |
34 | | -}) |
| 28 | +inputEl.addEventListener("input", updateResults); |
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