low版的发布留言 html、css和javascript-CFANZ编程社区

low版的发布留言 html、css和javascript

小白的自学自记。发布留言超低配，我自己都不好意思发了。

<!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>Document</title>
</head>
<style>
    .announce input {
        height: 300px;
    }
    
    .text {
        height: 100px;
    }
    
    ul li {
        display: block;
        width: 100px;
        background-color: pink;
    }
</style>

<body>
    <div class="announce">
        <textarea class="text">

       </textarea><button>发布</button>
    </div>
    <div>
        <ul>

        </ul>
    </div>
    <script>
        var text1 = document.querySelector('.text');
        var button1 = document.querySelector('button');
        var ul1 = document.querySelector('ul');
        button1.onclick = function() {
            if (text1.value == '') {
                alert('请输入内容');
                console.log('1');
            } else {
                var li1 = document.createElement('li')
                var a = document.create
                li1.innerHTML = text1.value;
                // ul1.appendChild(li1);
                ul1.insertBefore(li1, ul1.children[0])
                text1.value = ''
            }
        }
    </script>
</body>

</html>

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