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webworker simple ping
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| { | |
| "author": "Jalal.Hejazi", | |
| "info": "Response header info", | |
| "Content-Type":"text/json", | |
| "X-Powered-By":"nodejs", | |
| "Access-Control-Allow-Origin":"*", | |
| "next":"REST The WEB" | |
| } |
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| var http = require('http'); | |
| var fs = require('fs'); | |
| var port = '1111' ; | |
| http.createServer(function(request, response) { | |
| response.writeHead(200, { | |
| 'Content-Type': 'application/json', | |
| 'Access-Control-Allow-Origin': '*', | |
| 'X-Powered-By':'nodejs' | |
| }); | |
| fs.readFile('data.json', function(err, content){ | |
| response.write(content); | |
| response.end(); | |
| }); | |
| }).listen(port); | |
| console.log('Listening on port ' + port ); |
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| <!DOCTYPE html> | |
| <html lang="de"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>webworkers tryaround</title> | |
| <style> | |
| div { clear:both; float:left; }; | |
| </style> | |
| </head> | |
| <body> | |
| <div id="ping"> | |
| <button name="submit" onClick="javascript:doPing();">Ping</button> | |
| </div> | |
| <div id="pong"> </div> | |
| <script src="trya.js"></script> | |
| </body> | |
| </html> |
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| doPing = (() => { | |
| //call the webworker | |
| var worker = new Worker('working.js'); | |
| // Setup an event listener that will handle messages received from the worker. | |
| worker.addEventListener('message', function(e) { | |
| // Log the workers message. | |
| console.log(e.data); | |
| }, false); | |
| worker.postMessage('Hello World'); | |
| }); | |
| doRead = (() => { | |
| fetch('http://localhost:1111').then(res => { | |
| if (res.ok) { | |
| return res.json(); | |
| } | |
| }).then(json => { | |
| console.log(json); | |
| }); | |
| }); |
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| // Setup an event listener that will handle messages sent to the worker. | |
| self.addEventListener('message', e => { | |
| // Send the message back. | |
| //self.postMessage('You said: ' + e.data); | |
| let url = 'http://localhost:1111'; | |
| fetch(url).then(res => { | |
| if (res.ok) { | |
| return res.json(); | |
| } else { | |
| throw new Error('error with server'); | |
| } | |
| }).then(json => { | |
| self.postMessage(json); | |
| }).catch(err => { | |
| self.postMessage(err.message); | |
| }); | |
| }); |
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