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DOMWorkerThreads current: Difference between revisions
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→Sample usage
| Line 21: | Line 21: | ||
startdiv.innerHTML = "Started: " + new Date(); | startdiv.innerHTML = "Started: " + new Date(); | ||
function scriptToRun(){ | function scriptToRun() { | ||
// Hook us up to receive messages from the pool | // Hook us up to receive messages from the pool | ||
this.messageListener = function(message, source) { | this.messageListener = function (message, source) { | ||
var num = parseInt(message); | var num = parseInt(message); | ||
if (isNaN(num)) | if (isNaN(num)) | ||
throw "Pool sent a value we couldn't interpret!"; | throw "Pool sent a value we couldn't interpret!"; | ||
postMessageToPool(fibonacci(num)); | postMessageToPool(fibonacci(num)); | ||
}; | }; | ||
| Line 33: | Line 32: | ||
// Worst implementation of fibonacci *ever*! | // Worst implementation of fibonacci *ever*! | ||
function fibonacci(n) { | function fibonacci(n) { | ||
if(n == 0) | if (n == 0) | ||
return 0; | return 0; | ||
if(n == 1) | if (n == 1) | ||
return 1; | return 1; | ||
return fibonacci(n - 1) + fibonacci(n - 2); | return fibonacci(n - 1) + fibonacci(n - 2); | ||
| Line 43: | Line 42: | ||
var wp = navigator.newWorkerPool(); | var wp = navigator.newWorkerPool(); | ||
wp.messageListener = function(message, source) { | wp.messageListener = function (message, source) { | ||
resultdiv.innerHTML = "Result from worker: " + message; | resultdiv.innerHTML = "Result from worker: " + message; | ||
enddiv.innerHTML = "Finished: " + new Date(); | enddiv.innerHTML = "Finished: " + new Date(); | ||
}; | }; | ||
wp.errorListener = function(error, source) { | wp.errorListener = function (error, source) { | ||
alert("Worker had an error: " + error); | alert("Worker had an error: " + error); | ||
} | }; | ||
var thread = wp.createWorker(scriptToRun.toString() + "scriptToRun();"); | var thread = wp.createWorker(scriptToRun.toString() + "scriptToRun();"); | ||