代码

网页版记事本

复制到浏览器即可使用，可加书签，可分享，不需要网络，全平台可用

  1. data:text/html;base64,PGh0bWwgY29udGVudGVkaXRhYmxlPmVkaXQgbWU8L2h0bWw+

  2. 不需要编辑

    data:text/html;charset=utf-8,%E4%BD%A0%E5%A5%BD%EF%BC%8Cmy world

  3. 可读版本

    data:text/html;charset=utf-8,<html contenteditable>1. </html>

  4. 增加了导出到剪切板功能

    data:text/html;charset=utf-8,<html contenteditable=""><head> <title>导出页面内容为 UTF-8 到剪切板</title> <script> function copyToClipboard() { var htmlContent = document.documentElement.outerHTML; var tempInput = document.createElement("textarea"); tempInput.style.opacity = 0; tempInput.value = 'data:text/html;charset=utf-8,' +htmlContent; document.body.appendChild(tempInput); tempInput.select(); document.execCommand("copy"); document.body.removeChild(tempInput); alert("已复制"); } </script> </head> <body> <h1>导出页面内容为 UTF-8 到剪切板</h1> <button onclick="copyToClipboard()">导出为 UTF-8</button> <hr>这里开始编辑</body></html

  5. 实时渲染 HTML 、CSS 、JS

    data:text/html,<body oninput="i.srcdoc=h.value+'<style>'+c.value+'</style><script>'+j.value+'</script>'"><style>textarea,iframe{width:100%;height:50%}body{margin:0}textarea{width:33.33%;font-size:18}</style><textarea placeholder=HTML id=h></textarea><textarea placeholder=CSS id=c></textarea><textarea placeholder=JS id=j></textarea><iframe id=i>

  6. 网页版本画图

    data:text/html,<canvas id=v><script>d=document,d.body.style.margin=0,P="onpointer",c=v.getContext\2d`,v.width=innerWidth,v.height=innerHeight,c.lineWidth=2,f=0,d[P+”down”]=e=>{f=e.pointerId+1;e.preventDefault();c.beginPath();c.moveTo(e.x,e.y)};d[P+”move”]=e=>{f==e.pointerId+1&&c.lineTo(e.x,e.y);c.stroke()},d[P+”up”]=_=>f=0`

  7. 添加了可以切换显示 /隐藏 HTML/CSS/JavaScript/Output 的功能

    data:text/html,<body oninput="i.srcdoc=h.value+'<style>'+c.value+'</style><script>'+j.value+'</script>'"><style> textarea, iframe { width: 100%; height: 50%; background-color: rgb(245, 245, 245); } body { margin: 0; background-color: rgb(245, 245, 245); } textarea, iframe { width: 33.3%; height: 100%; flex: 1; font-size: 18; resize: none; } textarea:focus { background-color: white; } .menu { text-align: center; overflow: hidden; width: 100%; padding: 5px 0; } .panels { display: flex; justify-content: center; height: calc(100% - 40px); }</style><script> function switchDisplay(id) { var dom = document.getElementById(id); if (!dom) return; if (dom.style.display !== '') { dom.style.display = ''; return; } if (dom.style.display === '') { dom.style.display = 'none'; return; } }</script><div class="menu"><button onclick="switchDisplay('h')">HTML</button><button onclick="switchDisplay('c')">CSS</button><button onclick="switchDisplay('j')">JavaScript</button><button onclick="switchDisplay('i')">Output</button></div><div class="panels"><textarea placeholder=HTML id=h></textarea><textarea placeholder=CSS id=c></textarea><textarea placeholder=JS id=j></textarea><iframe id=i></div>

  8. 加入左右边距、更换系统字体

    data:text/html,<body contenteditable style=line-height:1.5;margin-left:20%;margin-right:20%;font-family:system-ui>

  9. 双屏对照版

    data:text/html;text,<html><body style="display:flex"><div contenteditable style="flex:1;padding:5px"></div><div contenteditable style="flex:1;padding:5px"></div></body></html>

  10. 一键清理浏览器垃圾

    data:text/html;charset=utf-8,<script>while(1){Math.random()\*Math.random()/Math.random()}alert('清理完成');</script>

  11. 视频播放器

    data:text/html;base64,PCFET0NUWVBFIGh0bWw+DQo8aW5wdXQgdHlwZT0iZmlsZSIgaWQ9ImlucHV0IiBhY2NlcHQ9InZpZGVvLyoiPg0KPGJyPg0KPHZpZGVvIHNyYz0iIiBpZD0idmlkZW8iIGNvbnRyb2xzIGF1dG9wbGF5PjwvdmlkZW8+DQo8c2NyaXB0Pg0KICBpbnB1dC5vbmNoYW5nZSA9ICgpID0+IHsNCiAgICBjb25zdCBmaWxlID0gaW5wdXQuZmlsZXM/LlswXTsNCiAgICBpZiAoZmlsZSkgew0KICAgICAgdmlkZW8uc3JjID0gVVJMLmNyZWF0ZU9iamVjdFVSTChmaWxlKTsNCiAgICB9DQogIH07DQo8L3NjcmlwdD4=

  12. 支持将编辑内容一键复制成 url 分享给其他人

    data:text/html;base64,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