如何为数组中的每个对象生成多张卡片?
How to generate multiple card for each object in an array?
@font-face {
font-family: "fanwood";
font-style: normal;
font-weight: normal;
src: url("fonts/Fanwood.otf");
font-display: swap;
}
:root {
--color-primary: #e9e2d7;
--color-primary-alt: #8e6549;
--color-secondary: #d42257;
--color-background: #d2fbf7;
--color-text: #412d86;
--color-light: #fff;
--color-anchor: #3a00ff;
--font-family: "fanwoood";
--font-weight-strong: 500;
--font-size-h1: 4rem;
--font-size-h2: 3rem;
--font-size-h3: 2rem;
--font-size-h4: 1.35rem;
--font-size-text: 1.15rem;
--border-radius: 8px;
}
*,
*::before,
*::after {
box-sizing: border-box;
}
/* Remove default margin */
body,
h1,
h2,
h3,
h4,
h5,
h6 {
margin: 0;
}
html {
overflow-x: hidden;
}
/* Set core body defaults */
body {
font-family: 'fanwood';
min-height: 100vh;
font-size: 100%;
line-height: 1.5;
text-rendering: optimizeSpeed;
overflow-x: hidden;
}
/* Make images easier to work with */
img {
display: block;
max-width: 100%;
}
/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
font: inherit;
}
body {
background-color: var(--color-primary);
}
button {
background-color: var(--color-primary);
border: none;
margin: 0;
}
input {
width: 100%;
margin-bottom: 10px 0;
}
.site-wrapper {
margin: 0 4%;
}
.card-info-wrapper {
margin: 4% 4%;
}
.header {
color: var(--color-primary);
background-color: var(--color-primary-alt);
height: 84px;
display: flex;
align-items: center;
justify-content: center;
}
.tool-bar {
margin-top: 20px;
}
.tools {
display: flex;
}
.button {
cursor: pointer;
display: inline-flex;
padding: 2px 8px;
color: var(--color-primary-alt);
background-color: var(--color-primary);
}
.button.add {
display: inline-flex;
padding: 2px 8px;
background-color: var(--color-primary-alt);
color: var(--color-primary);
}
.books-wrapper {
margin-top: 20px;
/* border: 1px solid white; */
display: flex;
flex-wrap: wrap;
}
.book-card {
word-wrap: normal;
background-color: var(--color-primary-alt);
color: var(--color-primary);
width: 300px;
height: 350px;
margin-right: 10px;
margin-bottom: 10px;
}
.form-card {
display: none;
word-wrap: normal;
background-color: var(--color-primary-alt);
color: var(--color-primary);
width: 300px;
height: 350px;
margin-right: 10px;
margin-bottom: 10px;
}
.toggle-on {
display: block;
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Book</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="header">
<div class="site-wrapper">
<div class="header-logo-container">
<h1>Library</h1>
</div>
</div>
</div>
<div class="tool-bar">
<div class="site-wrapper">
<div class="tools">
<div class="button add" id="add-form">
Add Book
</div>
</div>
</div>
</div>
<div class="books">
<div class="site-wrapper">
<div class="books-wrapper">
<!-- TEMPLATE FOR BOOK CARD -->
<!-- <div class="book-card">
<div class="card-info-wrapper">
<h2>Title</h2>
<h3>Author</h3>
<h4>Pages</h4>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ipsum fugit officiis animi soluta et, sit aliquid.</p>
<div class="button">
Remove
</div>
</div>
</div> -->
<div class="form-card">
<div class="card-info-wrapper">
<form id="input-form">
<label for="title"><h3>Title</h3></label>
<input type="text" id="title" name="title" placeholder="Name of the Book" required>
<label for="author"><h3>Author</h3></label>
<input type="text" id="author" name="author" placeholder="Name of the Author" required>
<label for="pages"><h3>Pages</h3></label>
<input type="number" id="pages" name="pages" placeholder="Number of Pages" required>
<button type="submit" class="button" id="addBook">Add Book</button>
</form>
</div>
</div>
</div>
</div>
</div>
<script src="app.js"></script>
</body>
</html>
我想为数组中的每个对象生成多张卡片。我面临的问题是,每次添加新对象时,都会生成数组中现有对象的重复卡片。有什么方法可以仅通过使用 vanilla js 来修复它吗?
https://i.stack.imgur.com/EsApw.png
const form = document.getElementById('input-form');
const formButton = document.getElementById('add-form');
const formView = document.querySelector('.form-card')
const bookList = document.querySelector('.books-wrapper');
const bookCard = document.querySelector('.book-card');
let myLibrary = [];
let newBook;
function Book(title, author, pages) {
this.title = title;
this.author = author;
this.pages = pages;
this.info = function() {
return `${this.title} is a book by ${this.author}, ${this.pages} pages, not read yet.`
};
};
Book.prototype.read = false;
function addToLibrary(e) {
e.preventDefault();
const title = (document.getElementById('title')).value;
const author = (document.getElementById('author')).value;
const pages = (document.getElementById('pages')).value;
newBook = new Book(title, author, pages);
myLibrary.push(newBook);
populateBooks(myLibrary, bookList);
formDisplay();
this.reset();
console.table(myLibrary)
};
function populateBooks(myLib, bookView) {
myLib.forEach((book, i) => {
const card = `<div class="book-card" data-index=${i}>
<div class="card-info-wrapper">
<h2>${book.title}</h2>
<h3>${book.author}</h3>
<h4>${book.pages} Pages</h4>
<p>${book.info()}</p>
<div class="button">
Remove
</div>
</div>
</div>`
const element = document.createElement('div');
element.innerHTML = card;
bookView.appendChild(element.firstChild);
});
};
function formDisplay() {
formView.classList.toggle('toggle-on');
};
formButton.addEventListener('click', formDisplay);
populateBooks(myLibrary, bookList);
[enter image description here][1]
您再次将整个图书馆的图书附加到已经填充的 div。
您的解决方案很简单,只需在再次附加所有内容之前清理 div 本书。
这里是你的 JS 修改和工作:
const form = document.getElementById('input-form');
const formButton = document.getElementById('add-form');
const formView = document.querySelector('.form-card')
const bookList = document.querySelector('.books-wrapper');
const bookCard = document.querySelector('.book-card');
let myLibrary = [];
let newBook;
function Book(title, author, pages) {
this.title = title;
this.author = author;
this.pages = pages;
this.info = function() {
return `${this.title} is a book by ${this.author}, ${this.pages} pages, not read yet.`
};
};
Book.prototype.read = false;
function addToLibrary(e) {
e.preventDefault();
const title = (document.getElementById('title')).value;
const author = (document.getElementById('author')).value;
const pages = (document.getElementById('pages')).value;
newBook = new Book(title, author, pages);
myLibrary.push(newBook);
populateBooks(myLibrary, bookList);
formDisplay();
this.reset();
console.table(myLibrary)
};
function populateBooks(myLib, bookView) {
bookList.innerHTML = "";
myLib.forEach((book, i) => {
const card = `<div class="book-card" data-index=${i}>
<div class="card-info-wrapper">
<h2>${book.title}</h2>
<h3>${book.author}</h3>
<h4>${book.pages} Pages</h4>
<p>${book.info()}</p>
<div class="button">
Remove
</div>
</div>
</div>`
const element = document.createElement('div');
element.innerHTML = card;
bookView.appendChild(element.firstChild);
});
}
document.addEventListener("DOMContentLoaded", function() {
form.addEventListener("submit", function(e) {
addToLibrary(e)
});
});
我修改了一些部分以使其在本地工作,因为您没有发布您的 HTML。
我添加的行是:
bookList.innerHTML = "";
就在 populateBooks
函数的开头。
编辑:使用更新后的代码使其工作,Here is the JSFiddle with your full code modified to working.
事情是添加命令 document.querySelectorAll('.book-card').forEach(e => e.remove());
以删除 div 中所有已经呈现的书籍,因此当您 运行 您的函数时,它只会删除书籍然后再次正确渲染。
@font-face {
font-family: "fanwood";
font-style: normal;
font-weight: normal;
src: url("fonts/Fanwood.otf");
font-display: swap;
}
:root {
--color-primary: #e9e2d7;
--color-primary-alt: #8e6549;
--color-secondary: #d42257;
--color-background: #d2fbf7;
--color-text: #412d86;
--color-light: #fff;
--color-anchor: #3a00ff;
--font-family: "fanwoood";
--font-weight-strong: 500;
--font-size-h1: 4rem;
--font-size-h2: 3rem;
--font-size-h3: 2rem;
--font-size-h4: 1.35rem;
--font-size-text: 1.15rem;
--border-radius: 8px;
}
*,
*::before,
*::after {
box-sizing: border-box;
}
/* Remove default margin */
body,
h1,
h2,
h3,
h4,
h5,
h6 {
margin: 0;
}
html {
overflow-x: hidden;
}
/* Set core body defaults */
body {
font-family: 'fanwood';
min-height: 100vh;
font-size: 100%;
line-height: 1.5;
text-rendering: optimizeSpeed;
overflow-x: hidden;
}
/* Make images easier to work with */
img {
display: block;
max-width: 100%;
}
/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
font: inherit;
}
body {
background-color: var(--color-primary);
}
button {
background-color: var(--color-primary);
border: none;
margin: 0;
}
input {
width: 100%;
margin-bottom: 10px 0;
}
.site-wrapper {
margin: 0 4%;
}
.card-info-wrapper {
margin: 4% 4%;
}
.header {
color: var(--color-primary);
background-color: var(--color-primary-alt);
height: 84px;
display: flex;
align-items: center;
justify-content: center;
}
.tool-bar {
margin-top: 20px;
}
.tools {
display: flex;
}
.button {
cursor: pointer;
display: inline-flex;
padding: 2px 8px;
color: var(--color-primary-alt);
background-color: var(--color-primary);
}
.button.add {
display: inline-flex;
padding: 2px 8px;
background-color: var(--color-primary-alt);
color: var(--color-primary);
}
.books-wrapper {
margin-top: 20px;
/* border: 1px solid white; */
display: flex;
flex-wrap: wrap;
}
.book-card {
word-wrap: normal;
background-color: var(--color-primary-alt);
color: var(--color-primary);
width: 300px;
height: 350px;
margin-right: 10px;
margin-bottom: 10px;
}
.form-card {
display: none;
word-wrap: normal;
background-color: var(--color-primary-alt);
color: var(--color-primary);
width: 300px;
height: 350px;
margin-right: 10px;
margin-bottom: 10px;
}
.toggle-on {
display: block;
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Book</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="header">
<div class="site-wrapper">
<div class="header-logo-container">
<h1>Library</h1>
</div>
</div>
</div>
<div class="tool-bar">
<div class="site-wrapper">
<div class="tools">
<div class="button add" id="add-form">
Add Book
</div>
</div>
</div>
</div>
<div class="books">
<div class="site-wrapper">
<div class="books-wrapper">
<!-- TEMPLATE FOR BOOK CARD -->
<!-- <div class="book-card">
<div class="card-info-wrapper">
<h2>Title</h2>
<h3>Author</h3>
<h4>Pages</h4>
<p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ipsum fugit officiis animi soluta et, sit aliquid.</p>
<div class="button">
Remove
</div>
</div>
</div> -->
<div class="form-card">
<div class="card-info-wrapper">
<form id="input-form">
<label for="title"><h3>Title</h3></label>
<input type="text" id="title" name="title" placeholder="Name of the Book" required>
<label for="author"><h3>Author</h3></label>
<input type="text" id="author" name="author" placeholder="Name of the Author" required>
<label for="pages"><h3>Pages</h3></label>
<input type="number" id="pages" name="pages" placeholder="Number of Pages" required>
<button type="submit" class="button" id="addBook">Add Book</button>
</form>
</div>
</div>
</div>
</div>
</div>
<script src="app.js"></script>
</body>
</html>
我想为数组中的每个对象生成多张卡片。我面临的问题是,每次添加新对象时,都会生成数组中现有对象的重复卡片。有什么方法可以仅通过使用 vanilla js 来修复它吗?
https://i.stack.imgur.com/EsApw.png
const form = document.getElementById('input-form');
const formButton = document.getElementById('add-form');
const formView = document.querySelector('.form-card')
const bookList = document.querySelector('.books-wrapper');
const bookCard = document.querySelector('.book-card');
let myLibrary = [];
let newBook;
function Book(title, author, pages) {
this.title = title;
this.author = author;
this.pages = pages;
this.info = function() {
return `${this.title} is a book by ${this.author}, ${this.pages} pages, not read yet.`
};
};
Book.prototype.read = false;
function addToLibrary(e) {
e.preventDefault();
const title = (document.getElementById('title')).value;
const author = (document.getElementById('author')).value;
const pages = (document.getElementById('pages')).value;
newBook = new Book(title, author, pages);
myLibrary.push(newBook);
populateBooks(myLibrary, bookList);
formDisplay();
this.reset();
console.table(myLibrary)
};
function populateBooks(myLib, bookView) {
myLib.forEach((book, i) => {
const card = `<div class="book-card" data-index=${i}>
<div class="card-info-wrapper">
<h2>${book.title}</h2>
<h3>${book.author}</h3>
<h4>${book.pages} Pages</h4>
<p>${book.info()}</p>
<div class="button">
Remove
</div>
</div>
</div>`
const element = document.createElement('div');
element.innerHTML = card;
bookView.appendChild(element.firstChild);
});
};
function formDisplay() {
formView.classList.toggle('toggle-on');
};
formButton.addEventListener('click', formDisplay);
populateBooks(myLibrary, bookList);
[enter image description here][1]
您再次将整个图书馆的图书附加到已经填充的 div。
您的解决方案很简单,只需在再次附加所有内容之前清理 div 本书。
这里是你的 JS 修改和工作:
const form = document.getElementById('input-form');
const formButton = document.getElementById('add-form');
const formView = document.querySelector('.form-card')
const bookList = document.querySelector('.books-wrapper');
const bookCard = document.querySelector('.book-card');
let myLibrary = [];
let newBook;
function Book(title, author, pages) {
this.title = title;
this.author = author;
this.pages = pages;
this.info = function() {
return `${this.title} is a book by ${this.author}, ${this.pages} pages, not read yet.`
};
};
Book.prototype.read = false;
function addToLibrary(e) {
e.preventDefault();
const title = (document.getElementById('title')).value;
const author = (document.getElementById('author')).value;
const pages = (document.getElementById('pages')).value;
newBook = new Book(title, author, pages);
myLibrary.push(newBook);
populateBooks(myLibrary, bookList);
formDisplay();
this.reset();
console.table(myLibrary)
};
function populateBooks(myLib, bookView) {
bookList.innerHTML = "";
myLib.forEach((book, i) => {
const card = `<div class="book-card" data-index=${i}>
<div class="card-info-wrapper">
<h2>${book.title}</h2>
<h3>${book.author}</h3>
<h4>${book.pages} Pages</h4>
<p>${book.info()}</p>
<div class="button">
Remove
</div>
</div>
</div>`
const element = document.createElement('div');
element.innerHTML = card;
bookView.appendChild(element.firstChild);
});
}
document.addEventListener("DOMContentLoaded", function() {
form.addEventListener("submit", function(e) {
addToLibrary(e)
});
});
我修改了一些部分以使其在本地工作,因为您没有发布您的 HTML。
我添加的行是:
bookList.innerHTML = "";
就在 populateBooks
函数的开头。
编辑:使用更新后的代码使其工作,Here is the JSFiddle with your full code modified to working.
事情是添加命令 document.querySelectorAll('.book-card').forEach(e => e.remove());
以删除 div 中所有已经呈现的书籍,因此当您 运行 您的函数时,它只会删除书籍然后再次正确渲染。