逻辑似乎很合理,但是我的ul没有显示我要的内容。我已经使用了console.logs
,并且可以肯定在函数poem
中获得了displayPoem(poem)
,但是当我单击按钮时它没有出现。任何帮助将不胜感激!
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片段
<div >
<ul id="savedThoughts">
</ul>
</div>
您保存的列表项未显示,因为您的提交onclick调用displayPoem创建列表项,然后调用clearForm删除页面上的所有列表项。尝试inputLi = document.querySelectorAll('ol > li')
。