记事小本本

实现效果

相关代码

javascript 复制代码
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0px;
            padding: 0px;
            box-sizing: border-box;
        }
        .nav {
            width: 800px;
            height: 100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            border-radius: 5px;
        }
        .nav input {
            width: 600px;
            height: 60px;
        }
        .nav button {
            width: 200px;
            height: 60px;
            background-color: orange;
            color: white;
            font-size: 20px;
            border: orange;
            border-radius: 5px;

        }
        .container {
            width: 800px;
            display: flex;
            margin: 0px auto;
        }
        h3 {
            background-color: gray;
            color: white;
            text-align: center;
            width: 400px;
            height: 60px;
            padding-top: 15px;
        }
        
        .todo, .done {
            width: 50%;
            height: 100%;
        }
        .row {
            width: 400px;
            display: flex;
            align-items: center;
            margin-top: 10px ;

        }
        span {
            width: 200px;
            height: 40px;
            font-size: 20px;
            margin-left: 5px;
            margin-top: 15px;
        }
        .row button {
            width: 90px;
            height: 40px;
            font-size: 20px;
            margin-top: 10px;
        }
        .nav button:active {
            background-color: grey;
        }
       
        input[type="checkbox"] {
            width: 20px;
            height: 20px;
            margin-top: 5px;
        }
    </style>
</head>
<body>
    <div class="nav">
        <input type="text"><button onclick="newJob()">新建任务</button>
    </div>
    <div class="container">
        <div class="todo">
            <h3>未完成</h3>
        </div>
        <div class="done">
            <h3>已完成</h3>
        </div>
    </div>
</body>
<script>
    function newJob() {
        let input = document.querySelector('.nav input')
        let input_info = input.value
        if(input_info == '') {
            return
        }
        let todo = document.querySelector('.todo')
        let div = document.createElement('div')
        let checkbox = document.createElement('input')
        checkbox.type = "checkbox"
        let span = document.createElement('span')
        span.innerHTML = input_info
        let button = document.createElement('button')
        button.innerHTML = "删除"
        div.appendChild(checkbox)
        div.appendChild(span)
        div.appendChild(button)
        div.className = 'row'
        todo.appendChild(div)
        let delete_buttons = document.querySelectorAll('.row button')
        for(i = 0; i < delete_buttons.length; i++) {
            delete_buttons[i].onclick = function() {
                let parent = this.parentNode;
                let grand_parent = parent.parentNode
                grand_parent.removeChild(parent)
            }
        }
        let checkbox_buttons = document.querySelectorAll('.row input')
        for(i = 0; i < checkbox_buttons.length; i++) {
            checkbox_buttons[i].onclick = function() {
                let row = this.parentNode;
                let targrt;
                if(this.checked) {
                    targrt = document.querySelector('.done')
                }else {
                    targrt = document.querySelector('.todo')
                }
                targrt.appendChild(row)
            }
        }
        input.value = ""
    }
</script>
</html>