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<html><head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <title>JS Bin</title> <style> circle { transition: stroke-dasharray .25s; transition: stroke-dasharray .25s; } </style></head><body> <svg width="440" height="440" viewbox="0 0 440 440"> <circle cx="220" cy="220" r="170" stroke-width="50" stroke="#D1D3D7" fill="none"></circle> <circle cx="220" cy="220" r="170" stroke-width="50" stroke="#00A5E0" fill="none" transform="matrix(0,-1,1,0,0,440)" stroke-dasharray="0 1069"></circle></svg><p>拖我：<input id="range" type="range" min="0" max="100" value="0" style="width:300px;"></p></body></html>if (window.addEventListener) { var range = document.querySelector("#range"), circle = document.querySelectorAll("circle")[1]; if (range && circle) { range.addEventListener("change", function() { var percent = this.value / 100, perimeter = Math.PI * 2 * 170; if (percent) { circle.setAttribute('display', 'block'); circle.setAttribute('stroke-dasharray', perimeter * percent + " " + perimeter * (1- percent)); } else { circle.setAttribute('display', 'none'); } }); } }
Output
300px
300px
You can jump to the latest bin by adding /latest to your URL
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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