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[英]DOM Help (displaying an unordered list of fruits and giving each fruit a class)
[英]needing help fixing unordered list not displaying through Dom
邏輯似乎合理,但我的 ul 沒有顯示我要求的內容。 我已經使用了console.logs
並且我肯定會在 function displayPoem(poem)
中得到poem
,但是當我單擊按鈕時它沒有出現。 任何幫助將不勝感激!
const inputsList = document.querySelector('ol');
const poemsList = document.getElementById('savedThoughts');
const form = document.getElementById('')
const submitButton = document.getElementById('submitThoughts');
const startButton = document.querySelector('#startButton')
startButton.onclick = () => {
const ranNum = generateRanNum();
generateInputs(ranNum)
changeToRestartText()
}
submitButton.onclick = () => {
const poem = savePoem();
console.log(poem)
displayPoem(poem);
clearForm()
}
const generateRanNum = () => {
let randomNumber = Math.floor(Math.random() * 20);
return randomNumber
}
const changeToRestartText = () => {
startButton.textContent = 'Restart Game'
}
const generateInputs = (ranNum) => {
const listItem = document.createElement('li');
for(let i = 1; i <= ranNum; i++){
const input = document.createElement('input');
listItem.appendChild(input).setAttribute('type', 'text');
console.log(ranNum)
}
inputsList.appendChild(listItem);
}
const savePoem = () => {
let poemArr = [];
const input = document.querySelectorAll('input');
input.forEach(element => {
poemArr.push(element.value);
})
// console.log(poemArr)
return poemArr;
}
const displayPoem = (poem) => {
const savedPoem = document.createElement('li')
const savedText = document.createElement('span')
const deletePoem = document.createElement('button')
console.log(poem)
savedPoem.appendChild(savedText);
savedText.textContent = poem.toString();
savedPoem.appendChild(deletePoem);
deletePoem.textContent = 'Delete';
poemsList.appendChild(savedPoem)
deletePoem.onclick = e => {
poemsList.removeChild(savedPoem);
}
}
const clearForm = () => {
const inputLi = document.querySelectorAll('li');
inputLi.forEach(element => {
element.remove()
})
}
小html段
<div >
<ul id="savedThoughts">
</ul>
</div>
您保存的列表項未顯示,因為您提交的 onclick 調用 displayPoem 創建列表項,然后調用 clearForm 刪除頁面上的所有列表項。 試試inputLi = document.querySelectorAll('ol > li')
。
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