Javascript：删除父元素

Question

如何使用事件侦听器删除子元素的父元素。

我有一个 html 表单，提交时运行 makeNewBook function 并将包含表单信息的 object 推送到名为 myLibrary 的数组。 然后它创建一个容器 div，显示来自该表单的信息，该表单放置在一个名为shelf(bookshelf) 的预定义div 中。 该容器中还有一个删除按钮。

删除按钮有一个事件侦听器，可以从数组中删除 object，但是我怎样才能使用最后一个事件侦听器从页面中删除容器？ 谢谢

Java脚本：

function makeNewBook() {
    let x = new Book(bookInput.value, authorInput.value, pagesInput.value, readInput.value)   //create a new book using the input vals
    myLibrary.push(x)                                                                         //push the new book object to the books array;
    console.table(myLibrary)


    let container = document.createElement('div')    //create a container for all the info
    container.setAttribute('class', 'container')

    let titlePara = document.createElement('p')
    titlePara.textContent += 'Title: ' + x.title;
    let authorPara = document.createElement('p')
    authorPara.textContent += 'Author: ' + x.author;
    let pagesPara = document.createElement('p')
    pagesPara.textContent += 'Pages: ' + x.pages;
    let readPara = document.createElement('p')
    readPara.textContent += 'Read: ' + x.read


    // delete button
    let deleteBtn = document.createElement('input');
    deleteBtn.setAttribute('class','delete')
    deleteBtn.type = 'submit';
    deleteBtn.value = 'Delete'



    // append everyhting to the container div to be put on the shelf
    container.appendChild(titlePara)
    container.appendChild(authorPara)
    container.appendChild(pagesPara)
    container.appendChild(readPara)
    container.appendChild(deleteBtn)
    container.setAttribute('class', `container ${x.title}`)
    shelf.append(container)




    deleteBtn.addEventListener('click',()=>{
        let index= myLibrary.indexOf(x); 
        myLibrary.splice(index,1);       //delete that object from the myLibrary array

        document.body.remove(deleteBtn.parentElement)    //This does not work
    })

}

Answer 1

您必须在节点本身上调用remove

deleteBtn.parentElement.remove();