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<html><head><meta charset=utf-8 /><title>「:-moz-placeholder」测试 by 一丝</title></head><body> <p>从 Firefox 19 开始将不再支持一个冒号的「:-moz-placeholder」伪元素，改成标准的两个冒号的「::-moz-placeholder」。今后若要兼容，开发者需要在CSS中同时书写两个伪元素。</p> <p><a href="https://bugzilla.mozilla.org/show_bug.cgi?id=737786" target="_blank">Bug</a> <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/::-moz-placeholder" target="_blank">文档</a></p> <input type="text" placeholder="Firefox 19+ 显示红色，之前版本显示绿色"> <textarea name="" id="" cols="30" rows="5" placeholder="Firefox 19+ 显示红色，之前版本显示绿色"></textarea> <p>图片对比：</p> <img src="http://ww1.sinaimg.cn/mw1024/c1608aa0gw1e6r40io8mmj20hr08qwfg.jpg" alt="Firefox 18图片对比"></body></html>input{ width: 300px; height: 30px; line-height: 30px; font-size: 14px; margin: 0; padding: 0 10px; display: block;}/* Firefox 19+ */input::placeholder,textarea::placeholder{ color: red; opacity: 1;}input:focus::placeholder,textarea:focus::placeholder{ color: blue;}/* Firefox 19- */input:placeholder,textarea:placeholder{ color: green; }input:focus:placeholder,textarea:focus:placeholder{ color: yellow;}
Output
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Keyboard Shortcuts
| Shortcut | Action |
|---|---|
| ctrl + [num] | Toggle nth panel |
| ctrl + 0 | Close focused panel |
| ctrl + enter | Re-render output. If console visible: run JS in console |
| Ctrl + l | Clear the console |
| ctrl + / | Toggle comment on selected lines |
| ctrl + ] | Indents selected lines |
| ctrl + [ | Unindents selected lines |
| tab | Code complete & Emmet expand |
| ctrl + shift + L | Beautify code in active panel |
| ctrl + s | Save & lock current Bin from further changes |
| ctrl + shift + s | Open the share options |
| ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts | |
JS Bin URLs
| URL | Action |
|---|---|
| / | Show the full rendered output. This content will update in real time as it's updated from the /edit url. |
| /edit | Edit the current bin |
| /watch | Follow a Code Casting session |
| /embed | Create an embeddable version of the bin |
| /latest | Load the very latest bin (/latest goes in place of the revision) |
| /[username]/last | View the last edited bin for this user |
| /[username]/last/edit | Edit the last edited bin for this user |
| /[username]/last/watch | Follow the Code Casting session for the latest bin for this user |
| /quiet | Remove analytics and edit button from rendered output |
| .js | Load only the JavaScript for a bin |
| .css | Load only the CSS for a bin |
Except for username prefixed urls, the url may start with http://jsbin.com/abc and the url fragments can be added to the url to view it differently. | |
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