js仿toDoList(待办事项）练习

JS的一个小练习

展示成果

话不多说

html骨架

<!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>待办事项(toDoList)</title>
    <link rel="stylesheet" href="Demo.css">
    <script src="./Common.js"></script>
    <script src="./Demo.js"></script>
</head>

<body>
    <div class="container">
        <header><img src="./title.svg" alt=""><p class="header">待办事项列表</p></header>
        <div class="txt">
            <input type="text" id="txt" placeholder="添加今日待办事项~~">
            <button id="btnAdd">添加</button>
        </div>
        <div class="liList">
            <span class="ev">~今天我需要~</span>
            <ul id="ul">
                
            </ul>
        </div>
        <div class="select">
            <p id="count">今日还剩下0个</p>
            <button id="all">all</button>
            <button id="Active">未完成</button>
            <button id="Complete">已完成</button>
            <button id="CompleteClear">清楚已完成待办</button>
        </div>
    </div>
</body>

</html>
View Code

css样式

@font-face {
    font-family: myFont;
    src: url(/字体/01223131/今年也要加油鸭-三极字库.ttf);
}
*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    user-select: none;
}
*:focus{
    outline: none;
}
html{
    font-family: myFont;
    font-size: 18px;
}
body{
    display: flex;
    background-image: linear-gradient(90deg,#ffafbd,#ffc3a0);
    background-repeat: no-repeat;
    min-height: 100vh;
}
li{
    list-style: none;
}
.container{
    display: flex;
    flex-direction: column;
    padding: 1rem;
    margin: 7rem auto;
    background-color: #fff;
    width: 27rem;
    border-radius: 10px;
    box-shadow: 4px 5px 15px 0px #999;
    justify-content: space-between;
    align-self: flex-start;
}
header{
    display: flex;
    justify-content: flex-start;
}
header>img{
    width: 80px;
    height: 60px;
    margin-left: 5rem;
    transform: rotate(-3deg);
}
.header{
    width: 161px;
    height: 40px;
    font-size: 1.3rem;
    padding: .25em .8em .15em;
    border-radius: 20% 5% 20% 5%/5% 20% 25% 20%;
    background-color: #fe7345;
    text-align: center;
    line-height: 30px;
    transform: rotate(3deg);
    margin-top: 10px;
    color: #fff;
}
.txt{
    margin-top: 2rem;
    display: flex;
    justify-content: space-around;
}
#txt{
    width: 18rem;
    height: 2rem;
    font-size: 1rem;
    border: #fe7345 3px dashed;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: myFont;
}
#btnAdd{
    width: 100px;
    background-color:orange;
    border-radius: 47% 42% 17% 24%/28% 39% 52% 43%;
    border: none;
    transform: rotate(10deg);
    transition:all .5s cubic-bezier(.175,.885,.32,1.275);
    color: #fff;
    font-family: myFont;
}
#btnAdd:hover{
    box-shadow: 4px 5px 5px 0px #999;
}
.ev{
    font-size: 1.2rem;
    display: block;
    text-align: left;
    margin: .5rem auto;
}
.liList{
    margin-top: 1rem;
}
#ul{
    padding: 1rem;
    border: 1px dashed #eee;
    border-radius: 10px;
}
#ul>li{
    display: flex;
    margin-top: 1rem;
    line-height: 2rem;
    justify-content: space-between;
    border-radius: 5px;
    padding: 5px;
}
#ul>li:first-child{
    margin-top: 0px;
}
#ul>li>div{
    display: flex;
}
#ul>li>div>p{
    margin-left: .5rem;
    width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-text-overflow:ellipsis;
}
.btnRemove{
    height: 1.5rem;
    width: 1.5rem;
    border: none;
    margin-top: .3rem;
    background-color: transparent;
    transition: all .3s 0ms;
}
.btnRemove:hover{
    background-color: rgba(225, 225, 225, 0.5);
    backdrop-filter: blur(4px) saturate(150%);
    border-radius: 1.5rem;
}
.select{
    display: flex;
}
.select>p{
    font-size: .8rem;
    margin-top: .7rem;
}
.select>button{
    background-color: #fe7345;
    border: none;
    border-radius: 5px;
    margin-left: 15px;
    min-width: 30px;
    font-size: 1rem;
    margin-top: .5rem;
    font-size: .9rem;
    padding: 3px;
    color: white;
    font-family: myFont;
}

.done{
    text-decoration:line-through;
}
.selectItem{
    background-color: #fe7345;
    color: white;
}
.hidden{
    display: none !important;
}
.animate{
    animation: animate .75s ease-in-out both;
}
@keyframes animate {
    0%{
        transform:rotateX(90deg);
        opacity: 0;
    }
    40%{
        transform:rotateX(-10deg);
    }
    70%{
        transform:rotateX(10deg);
    }
    100%{
        transform:rotateX(0deg);
        opacity: 1;
    }
}
View Code

原生js

Common.js
function $Id(id) {
    return document.getElementById(id);
}

function $cls(clsName){
    return document.getElementsByClassName(clsName);
}

function $tag(tagName){
    return document.getElementsByTagName(tagName);
}

function $(clsName) {
    return document.querySelectorAll(clsName);
}

function $one(clsOne) {
    return document.querySelector(clsOne);
}
View Code
Demo.js
(function (win) {
    win.addEventListener('load', () => {
        $one('#btnAdd').addEventListener('mousedown', () => {
            $one('#btnAdd').style.transform = 'rotate(0deg)';
            if ($one('#txt').value.length > 0) {
                //获取ul
                var ul = $one('#ul');
                //创建li
                var li = document.createElement('li');
                //创建包含复选框和span的div
                var liCls = document.createElement('div');
                //创建input元素
                var checkBox = document.createElement('input');
                //创建span显示复选框内容
                var p = document.createElement('p');
                //创建删除按钮
                var btnRemove = document.createElement('button');
                //删除按钮添加样式类名
                btnRemove.classList.add('btnRemove');
                btnRemove.innerText = 'X';
                //指定input的类型
                checkBox.type = 'checkBox';
                //获取文本框内容，并赋值给复选框
                checkBox.value = $one('#txt').value;
                //赋值给span元素
                p.innerText = checkBox.value;
                //添加到包含元素
                liCls.appendChild(checkBox);
                liCls.appendChild(p);
                li.appendChild(liCls);
                li.appendChild(btnRemove);
                ul.appendChild(li);
                //清空文本框
                $one('#txt').value = '';
                checkBox.addEventListener('click', () => {
                    checkBox.nextSibling.classList.toggle('done');
                    if (checkBox.checked) {
                        li.classList.add('selectItem');
                        btnRemove.classList.add('selectItem');
                    } else {
                        li.classList.remove('selectItem');
                        btnRemove.classList.remove('selectItem');
                    }
                    checkBox.parentNode.parentNode.classList.toggle('animate');
                    CompleteCount();
                });
                p.addEventListener('mousedown', () => {
                    if (p.previousSibling.checked) {
                        p.previousSibling.checked = false;
                    } else {
                        p.previousSibling.checked = true;
                    }
                    li.classList.toggle('selectItem');
                    btnRemove.classList.toggle('selectItem');
                    checkBox.nextSibling.classList.toggle('done');
                    checkBox.parentNode.parentNode.classList.toggle('animate');
                    CompleteCount();
                });
                btnRemove.addEventListener('click', () => {
                    li.remove();
                    CompleteCount();
                });
                CompleteCount();
            }
            CompleteCount();
        });
        $one('#btnAdd').addEventListener('mouseup', () => {
            $one('#btnAdd').style.transform = 'rotate(10deg)';
        });
        $one('#btnAdd').addEventListener('mouseleave', () => {
            $one('#btnAdd').style.transform = 'rotate(10deg)';
        });
        $one('#all').addEventListener('click', () => {
            for (const li of $('#ul>li>div>p')) {
                li.parentNode.parentNode.classList.remove('hidden');
            }
        });
        $one('#Active').addEventListener('click', () => {
            for (const li of $('#ul>li>div>p')) {
                if (!li.classList.contains('done')) {
                    li.parentNode.parentNode.classList.remove('hidden');
                    count++;
                } else {
                    li.parentNode.parentNode.classList.add('hidden');
                    count--;
                }
            }
        });
        $one('#Complete').addEventListener('click', () => {
            for (const li of $('#ul>li>div>p')) {
                if (!li.classList.contains('done')) {
                    li.parentNode.parentNode.classList.add('hidden');
                } else {
                    li.parentNode.parentNode.classList.remove('hidden');
                }
            }
        });
        $one('#CompleteClear').addEventListener('click', () => {
            for (const li of $('#ul>li>div>p')) {
                if (li.classList.contains('done')) {
                    li.parentNode.parentNode.remove();
                }
            }
        });
        function CompleteCount() {
            var num = 0;
            for (const li of $('#ul>li>div>p')) {
                if (!li.classList.contains('done')) {
                    num++;
                }
            }
            $one('#count').innerText = `今日还剩下${num}个`;
        }
    });
})(window);
View Code

 

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posted @ 2022-08-11 23:41  蜗牛向海  阅读(254)  评论(0)  编辑  收藏  举报