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我正在创建一个类似 trello 的网络应用程序来练习,所以我已经完成了具有拖放功能的卡片,但我现在想将内容添加到 ul 标签的 li 项目中,甚至可以由用户编辑
我希望它是在 JavaScript 中
HTML 代码
<!DOCTYPE html>
<html lang="en">
<head>
<title>Trello</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="/css/style.css" rel="stylesheet">
</head>
<body>
<!-- Masthead -->
<header class="masthead">
<div class="boards-menu">
<div class="board-search">
<input type="search" class="board-search-input" aria-label="Board Search">
<i class="fas fa-search search-icon" aria-hidden="true"></i>
</div>
</div>
<div class="logo">
<h1><i class="fab fa-trello logo-icon" aria-hidden="true"></i>Trello</h1>
</div>
<div class="user-settings" style="height: 20px;margin-bottom:35px;">
<a href="profile.html">
<img src="https://img.icons8.com/wired/64/000000/settings.png">
</a>
</div>
</header>
<!-- Lists container -->
<section class="lists-container">
<div class="list" id="dragabble_card">
<h3 class="list-title">Tasks to Do</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<div class="list" id="dragabble_card1">
<h3 class="list-title">Completed Tasks</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<div class="list" id="dragabble_card">
<h3 class="list-title">Tasks to Do</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<button class="add-list-btn btn">Add a list</button>
</section>
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<script src="script/script.js">
</script>
</body>
</html>
Javascript
$(function () {
$("#parent, #parent1").sortable({
connectWith: ".list-items"
}).disableSelection();
});
document.getElementById('button').onclick = repeat;
var i = 0;
var original = document.getElementById('repeatTHIS');
function repeat() {
var clone = original.cloneNode(true);
clone.id = "repeatTHIS" + ++i;
original.parentNode.appendChild(clone);
}
我的CSS如下
body {
font-family: Arial, sans-serif;
display: flex;
flex-direction: column;
}
.btn {
display: flex;
justify-content: center;
align-items: center;
font: inherit;
background: none;
border: none;
color: inherit;
padding: 0;
cursor: pointer;
}
:focus {
outline-color: #fa0;
}
:root {
font-size: 11px;
}
*,
*::before,
*::after {
box-sizing: border-box;
}
/* Masthead */
.masthead {
flex-basis: 4rem;
display: flex;
align-items: center;
padding: 0 0.8rem;
margin: -8px -8px 0 -8px;
background-color: #0067a3;
box-shadow: 0 0.1rem 0.1rem rgba(0, 0, 0, 0.1);
}
.masthead .btn {
background-color: #4c94be;
border-radius: 0.3rem;
transition: background-color 150ms;
}
.masthead .btn:hover {
background-color: #3385b5;
}
.boards-menu {
display: flex;
flex-shrink: 0;
}
.boards-btn {
flex-basis: 9rem;
font-size: 1.4rem;
font-weight: 700;
color: #fff;
margin-right: 0.8rem;
padding: 0.6rem 0.8rem;
}
.boards-btn-icon {
font-size: 1.7rem;
padding-right: 1.2rem;
}
.board-search {
flex-basis: 18rem;
position: relative;
}
.board-search-input {
height: 3rem;
border: none;
border-radius: 0.3rem;
background-color: #4c94be;
width: 100%;
padding: 0 3rem 0 1rem;
color: #fff;
}
.board-search-input:hover {
background-color: #66a4c8;
}
.search-icon {
font-size: 1.5rem;
position: absolute;
top: 50%;
right: 0.8rem;
transform: translateY(-50%) rotate(90deg);
color: #fff;
}
.logo {
flex: 1;
font-family: "Courgette", cursive;
font-size: 2.2rem;
font-weight: 700;
color: rgba(255, 255, 255, 0.5);
margin: 0 2rem;
transition: color 150ms;
text-align: center;
white-space: nowrap;
cursor: pointer;
}
.logo:hover {
color: rgba(255, 255, 255, 0.8);
}
.logo-icon {
padding-right: 0.4rem;
}
.user-settings {
display: flex;
height: 1.5rem;
color: #fff;
}
.user-settings-btn {
font-size: 1.5rem;
width: 3.5rem;
margin-right: 1.5rem;
}
/* Board info bar */
.board-info-bar {
flex-basis: 3rem;
display: flex;
align-items: center;
justify-content: space-between;
margin: 0.8rem 0;
padding: 0 1rem;
color: #f6f6f6;
}
sboard-info-bar .btn {
font-size: 1.4rem;
font-weight: 400;
transition: background-color 150ms;
padding: 0 0.6rem;
border-radius: 0.3rem;
height: 3rem;
}
.board-info-bar .btn:hover {
background-color: #006aa8;
}
.private-btn-icon,
.menu-btn-icon {
padding-right: 0.6rem;
white-space: nowrap;
}
.board-title h2 {
font-size: 1.8rem;
font-weight: 700;
white-space: nowrap;
}
/* Lists */
.lists-container::-webkit-scrollbar {
height: 2.4rem;
}
.lists-container::-webkit-scrollbar-thumb {
background-color: #66a3c7;
border: 0.8rem solid #0079bf;
border-top-width: 0;
}
.lists-container {
display: flex;
align-items: start;
padding: 0 0.8rem 0.8rem;
overflow-x: auto;
height: calc(100vh - 8.6rem);
margin-top: 60px;
}
.list {
flex: 0 0 27rem;
display: flex;
flex-direction: column;
background-color: #e2e4e6;
max-height: calc(100vh - 11.8rem);
border-radius: 0.3rem;
margin-right: 1rem;
}
.list:last-of-type {
margin-right: 0;
}
.list-title {
font-size: 1.4rem;
font-weight: 700;
color: #333;
padding: 1rem;
}
.list-items {
flex: 1;
display: flex;
flex-direction: column;
align-content: start;
padding: 0 0.6rem 0.5rem;
overflow-y: auto;
}
.list-items::-webkit-scrollbar {
width: 1.6rem;
}
.list-items::-webkit-scrollbar-thumb {
background-color: #c4c9cc;
border-right: 0.6rem solid #e2e4e6;
}
.list-items li {
font-size: 1.4rem;
font-weight: 400;
line-height: 1.3;
background-color: #fff;
padding: 0.65rem 0.6rem;
color: #4d4d4d;
border-bottom: 0.1rem solid #ccc;
border-radius: 0.3rem;
margin-bottom: 0.6rem;
word-wrap: break-word;
cursor: pointer;
}
.list-items li:last-of-type {
margin-bottom: 0;
}
.list-items li:hover {
background-color: #eee;
}
.add-card-btn {
display: block;
font-size: 1.4rem;
font-weight: 400;
color: #838c91;
padding: 1rem;
text-align: left;
cursor: pointer;
}
.add-card-btn:hover {
background-color: #cdd2d4;
color: #4d4d4d;
text-decoration: underline;
}
.add-list-btn {
flex: 0 0 27rem;
display: block;
font-size: 1.4rem;
font-weight: 400;
background-color: #006aa7;
color: #a5cae0;
padding: 1rem;
border-radius: 0.3rem;
cursor: pointer;
transition: background-color 150ms;
text-align: left;
margin-left: 15px;
}
.add-list-btn:hover {
background-color: #005485;
}
.add-card-btn::after,
.add-list-btn::after {
content: '...';
}
<div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code> $(function () {
$("#parent, #parent1").sortable({
connectWith: ".list-items"
}).disableSelection();
});
document.getElementById('button').onclick = repeat;
var i = 0;
var original = document.getElementById('repeatTHIS');
function repeat() {
var clone = original.cloneNode(true);
clone.id = "repeatTHIS" + ++i;
original.parentNode.appendChild(clone);
}</code></pre>
<pre class="snippet-code-css lang-css prettyprint-override"><code> body {
font-family: Arial, sans-serif;
display: flex;
flex-direction: column;
}
.btn {
display: flex;
justify-content: center;
align-items: center;
font: inherit;
background: none;
border: none;
color: inherit;
padding: 0;
cursor: pointer;
}
:focus {
outline-color: #fa0;
}
:root {
font-size: 11px;
}
*,
*::before,
*::after {
box-sizing: border-box;
}
/* Masthead */
.masthead {
flex-basis: 4rem;
display: flex;
align-items: center;
padding: 0 0.8rem;
margin: -8px -8px 0 -8px;
background-color: #0067a3;
box-shadow: 0 0.1rem 0.1rem rgba(0, 0, 0, 0.1);
}
.masthead .btn {
background-color: #4c94be;
border-radius: 0.3rem;
transition: background-color 150ms;
}
.masthead .btn:hover {
background-color: #3385b5;
}
.boards-menu {
display: flex;
flex-shrink: 0;
}
.boards-btn {
flex-basis: 9rem;
font-size: 1.4rem;
font-weight: 700;
color: #fff;
margin-right: 0.8rem;
padding: 0.6rem 0.8rem;
}
.boards-btn-icon {
font-size: 1.7rem;
padding-right: 1.2rem;
}
.board-search {
flex-basis: 18rem;
position: relative;
}
.board-search-input {
height: 3rem;
border: none;
border-radius: 0.3rem;
background-color: #4c94be;
width: 100%;
padding: 0 3rem 0 1rem;
color: #fff;
}
.board-search-input:hover {
background-color: #66a4c8;
}
.search-icon {
font-size: 1.5rem;
position: absolute;
top: 50%;
right: 0.8rem;
transform: translateY(-50%) rotate(90deg);
color: #fff;
}
.logo {
flex: 1;
font-family: "Courgette", cursive;
font-size: 2.2rem;
font-weight: 700;
color: rgba(255, 255, 255, 0.5);
margin: 0 2rem;
transition: color 150ms;
text-align: center;
white-space: nowrap;
cursor: pointer;
}
.logo:hover {
color: rgba(255, 255, 255, 0.8);
}
.logo-icon {
padding-right: 0.4rem;
}
.user-settings {
display: flex;
height: 1.5rem;
color: #fff;
}
.user-settings-btn {<!DOCTYPE html>
<html lang="en">
<head>
<title>Trello</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="/css/style.css" rel="stylesheet">
</head>
<body>
<!-- Masthead -->
<header class="masthead">
<div class="boards-menu">
<div class="board-search">
<input type="search" class="board-search-input" aria-label="Board Search">
<i class="fas fa-search search-icon" aria-hidden="true"></i>
</div>
</div>
<div class="logo">
<h1><i class="fab fa-trello logo-icon" aria-hidden="true"></i>Trello</h1>
</div>
<div class="user-settings" style="height: 20px;margin-bottom:35px;">
<a href="profile.html">
<img src="https://img.icons8.com/wired/64/000000/settings.png">
</a>
</div>
</header>
<!-- Lists container -->
<section class="lists-container">
<div class="list" id="dragabble_card">
<h3 class="list-title">Tasks to Do</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<div class="list" id="dragabble_card1">
<h3 class="list-title">Completed Tasks</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<div class="list" id="dragabble_card">
<h3 class="list-title">Tasks to Do</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<button class="add-list-btn btn">Add a list</button>
</section>
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<script src="script/script.js">
</script>
</body>
</html>
font-size: 1.5rem;
width: 3.5rem;
margin-right: 1.5rem;
}
/* Board info bar */
.board-info-bar {
flex-basis: 3rem;
display: flex;
align-items: center;
justify-content: space-between;
margin: 0.8rem 0;
padding: 0 1rem;
color: #f6f6f6;
}
sboard-info-bar .btn {
font-size: 1.4rem;
font-weight: 400;
transition: background-color 150ms;
padding: 0 0.6rem;
border-radius: 0.3rem;
height: 3rem;
}
.board-info-bar .btn:hover {
background-color: #006aa8;
}
.private-btn-icon,
.menu-btn-icon {
padding-right: 0.6rem;
white-space: nowrap;
}
.board-title h2 {
font-size: 1.8rem;
font-weight: 700;
white-space: nowrap;
}
/* Lists */
.lists-container::-webkit-scrollbar {
height: 2.4rem;
}
.lists-container::-webkit-scrollbar-thumb {
background-color: #66a3c7;
border: 0.8rem solid #0079bf;
border-top-width: 0;
}
.lists-container {
display: flex;
align-items: start;
padding: 0 0.8rem 0.8rem;
overflow-x: auto;
height: calc(100vh - 8.6rem);
margin-top: 60px;
}
.list {
flex: 0 0 27rem;
display: flex;
flex-direction: column;
background-color: #e2e4e6;
max-height: calc(100vh - 11.8rem);
border-radius: 0.3rem;
margin-right: 1rem;
}
.list:last-of-type {
margin-right: 0;
}
.list-title {
font-size: 1.4rem;
font-weight: 700;
color: #333;
padding: 1rem;
}
.list-items {
flex: 1;
display: flex;
flex-direction: column;
align-content: start;
padding: 0 0.6rem 0.5rem;
overflow-y: auto;
}
.list-items::-webkit-scrollbar {
width: 1.6rem;
}
.list-items::-webkit-scrollbar-thumb {
background-color: #c4c9cc;
border-right: 0.6rem solid #e2e4e6;
}
.list-items li {
font-size: 1.4rem;
font-weight: 400;
line-height: 1.3;
background-color: #fff;
padding: 0.65rem 0.6rem;
color: #4d4d4d;
border-bottom: 0.1rem solid #ccc;
border-radius: 0.3rem;
margin-bottom: 0.6rem;
word-wrap: break-word;
cursor: pointer;
}
.list-items li:last-of-type {
margin-bottom: 0;
}
.list-items li:hover {
background-color: #eee;
}
.add-card-btn {
display: block;
font-size: 1.4rem;
font-weight: 400;
color: #838c91;
padding: 1rem;
text-align: left;
cursor: pointer;
}
.add-card-btn:hover {
background-color: #cdd2d4;
color: #4d4d4d;
text-decoration: underline;
}
.add-list-btn {
flex: 0 0 27rem;
display: block;
font-size: 1.4rem;
font-weight: 400;
background-color: #006aa7;
color: #a5cae0;
padding: 1rem;
border-radius: 0.3rem;
cursor: pointer;
transition: background-color 150ms;
text-align: left;
margin-left: 15px;
}
.add-list-btn:hover {
background-color: #005485;
}
.add-card-btn::after,
.add-list-btn::after {
content: '...';
}</code></pre>
<pre class="snippet-code-html lang-html prettyprint-override"><code> <!DOCTYPE html>
<html lang="en">
<head>
<title>Trello</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="/css/style.css" rel="stylesheet">
</head>
<body>
<!-- Masthead -->
<header class="masthead">
<div class="boards-menu">
<div class="board-search">
<input type="search" class="board-search-input" aria-label="Board Search">
<i class="fas fa-search search-icon" aria-hidden="true"></i>
</div>
</div>
<div class="logo">
<h1><i class="fab fa-trello logo-icon" aria-hidden="true"></i>Trello</h1>
</div>
<div class="user-settings" style="height: 20px;margin-bottom:35px;">
<a href="profile.html">
<img src="https://img.icons8.com/wired/64/000000/settings.png">
</a>
</div>
</header>
<!-- Lists container -->
<section class="lists-container">
<div class="list" id="dragabble_card">
<h3 class="list-title">Tasks to Do</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<div class="list" id="dragabble_card1">
<h3 class="list-title">Completed Tasks</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<div class="list" id="dragabble_card">
<h3 class="list-title">Tasks to Do</h3>
<ul class="list-items" id="parent">
<li id="repeatTHIS"> </li>
</ul>
<button class="add-card-btn btn" id="button" onclick="repeat()">Add a card</button>
</div>
<button class="add-list-btn btn">Add a list</button>
</section>
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<script src="script/script.js">
</script>
</body>
</html></code></pre>
</div>
</div>
最佳答案
您可以使用名为 contenteditable
的 HTML 属性,这将允许用户编辑元素上的 html 内容!但是,如果您需要保存更改,则必须在您的 PHP
页面中添加一些 javascript AJAX
请求,以便将更改保存到数据库、文件或其他任何内容中。希望我的回答对您有用!
window.isEditingALi=false;
document.addEventListener("click", function(e){ //Of course you can merge this EventListener with the next one but I am separing them just to make things clear for you !
const elementsIdSelector="editableLi";
e=(e||window.event);
e.preventDefault();
const path=e.path;
for(var i=0;i<path.length-4;i++){
if(path[i].tagName=="LI"&&path[i].id==elementsIdSelector){
//Found a Li element with the id required ( Even dynamically created li would fires ! )
//Do whatever you want there
path[i].addEventListener("click", function(){
if(this.getAttribute("contenteditable")!="true"){
const wantEdit=window.confirm("You want to edit this element content ?");
if(wantEdit){
this.setAttribute("contenteditable", true);
window.isEditingALi=this;
this.focus();
}else{
window.isEditingALi=false;
}
}
});
}
}
});
document.addEventListener("click", function(e){
e=(e||window.event);
e.preventDefault();
const path=e.path;
let canGetReset=true;
for(var i=0;i<path.length-4;i++){
if(path[i]==window.isEditingALi) canGetReset=false;
}
if(canGetReset&&window.isEditingALi){
window.isEditingALi.removeAttribute("contenteditable");
//Here you can add your Ajax request or whatever function you want to do after the user finish editing the li ..
alert("Li has been changed successfully !");
window.isEditingALi=false;
}
});
//This is just an additional function to test if the dynamically created element would work or not !
function createEditableLi(){
const ul=document.querySelector("ul");
const newLi=document.createElement("li");
newLi.setAttribute("id", "editableLi");
newLi.innerHTML="New Li (Created dynamically)";
ul.appendChild(newLi);
}
body{
font-family: Arial, sans-serif;
font-size: 14px;
}
You can actually edit these Li by clicking and apply any changes you want ! (Even dynamically created elements are supported now!)
<br>
<ul>
<li id="editableLi"> First Li</li>
<li id="editableLi"> Second Li</li>
<li id="editableLi"> Third Li</li>
<li id="editableLi"> Another Li</li>
<li id="editableLi"> More Li</li>
</ul>
<br>
<button onclick="createEditableLi()">Create a New Li Dynamically</button>
关于javascript - 我如何编辑 Li 项目以使用 javascript 添加文本,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/57723683/
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问题类似于this one ,但我想使用 OperatorPrecedenceParser 解析带有函数应用程序的表达式在 FParsec . 这是我的 AST: type Expression =
我想通过使用 sequelize 和 node.js 将这个查询更改为代码取决于在哪里 select COUNT(gender) as genderCount from customers where
我正在使用GNU bash,版本5.0.3(1)-发行版(x86_64-pc-linux-gnu),我想知道为什么简单的赋值语句会出现语法错误: #/bin/bash var1=/tmp
这里,为什么我的代码在 IE 中不起作用。我的代码适用于所有浏览器。没有问题。但是当我在 IE 上运行我的项目时,它发现错误。 而且我的 jquery 类和 insertadjacentHTMl 也不
我正在尝试更改标签的innerHTML。我无权访问该表单,因此无法编辑 HTML。标签具有的唯一标识符是“for”属性。 这是输入和标签的结构:
我有一个页面,我可以在其中返回用户帖子,可以使用一些 jquery 代码对这些帖子进行即时评论,在发布新评论后,我在帖子下插入新评论以及删除 按钮。问题是 Delete 按钮在新插入的元素上不起作用,
我有一个大约有 20 列的“管道分隔”文件。我只想使用 sha1sum 散列第一列,它是一个数字,如帐号,并按原样返回其余列。 使用 awk 或 sed 执行此操作的最佳方法是什么? Accounti
我需要将以下内容插入到我的表中...我的用户表有五列 id、用户名、密码、名称、条目。 (我还没有提交任何东西到条目中,我稍后会使用 php 来做)但由于某种原因我不断收到这个错误:#1054 - U
所以我试图有一个输入字段,我可以在其中输入任何字符,但然后将输入的值小写,删除任何非字母数字字符,留下“。”而不是空格。 例如,如果我输入: 地球的 70% 是水,-!*#$^^ & 30% 土地 输
我正在尝试做一些我认为非常简单的事情,但出于某种原因我没有得到想要的结果?我是 javascript 的新手,但对 java 有经验,所以我相信我没有使用某种正确的规则。 这是一个获取输入值、检查选择
我想使用 angularjs 从 mysql 数据库加载数据。 这就是应用程序的工作原理;用户登录,他们的用户名存储在 cookie 中。该用户名显示在主页上 我想获取这个值并通过 angularjs
我正在使用 autoLayout,我想在 UITableViewCell 上放置一个 UIlabel,它应该始终位于单元格的右侧和右侧的中心。 这就是我想要实现的目标 所以在这里你可以看到我正在谈论的
我需要与 MySql 等效的 elasticsearch 查询。我的 sql 查询: SELECT DISTINCT t.product_id AS id FROM tbl_sup_price t
我正在实现代码以使用 JSON。 func setup() { if let flickrURL = NSURL(string: "https://api.flickr.com/
我尝试使用for循环声明变量,然后测试cols和rols是否相同。如果是,它将运行递归函数。但是,我在 javascript 中执行 do 时遇到问题。有人可以帮忙吗? 现在,在比较 col.1 和
我举了一个我正在处理的问题的简短示例。 HTML代码: 1 2 3 CSS 代码: .BB a:hover{ color: #000; } .BB > li:after {
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