Created
April 3, 2013 21:47
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Run arbitrary code in Dartium
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| textarea { width: 100%; height: 150px; } | |
| </style> | |
| <script> | |
| window.addEventListener('keydown', function(e) { | |
| if ((e.keyCode == 10 || e.keyCode == 13) && event.ctrlKey) | |
| run(); | |
| }); | |
| function run() { | |
| addCodeToRunToQueue(); | |
| instantiateDartIframeToRunCode(); | |
| } | |
| var input; | |
| var codeToRun = []; | |
| function addCodeToRunToQueue() { | |
| if (input == null) | |
| input = document.getElementById('input'); | |
| codeToRun.push(input.value); | |
| } | |
| function instantiateDartIframeToRunCode() { | |
| var iframe = document.createElement('iframe'); | |
| iframe.setAttribute('src', 'runner.html'); | |
| iframe.setAttribute('sandbox', 'allow-scripts'); | |
| iframe.style.display = 'none'; | |
| document.body.appendChild(iframe); | |
| } | |
| window.addEventListener('message', function(e) { | |
| if (e.data == 'can haz code?') | |
| e.source.postMessage(codeToRun.pop(), '*'); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <textarea id='input'>main() { | |
| print('Hello World'); | |
| }</textarea> | |
| <input type='button' value='Run (or Ctrl+Enter)' onclick='run()'></input> | |
| View JavaScript console for output | |
| </body> | |
| </html> |
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| <!DOCTYPE> | |
| <html> | |
| <head> | |
| <script> | |
| window.addEventListener('message', function(e) { | |
| var script = document.createElement('script'); | |
| script.setAttribute('type', 'application/dart'); | |
| script.textContent = e.data; | |
| document.body.appendChild(script); | |
| navigator.webkitStartDart(); | |
| }); | |
| parent.postMessage('can haz code?', '*'); | |
| </script> | |
| </head> | |
| </html> |
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