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[UPDATE] runAsync.md

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David Wu
2018-01-03 19:15:30 +01:00
committed by GitHub
parent 224138fb57 a8f7be32c6
commit 0f6d8c64d6
1 changed files with 4 additions and 7 deletions
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11
snippets/runAsync.md
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@ -8,10 +8,7 @@ Return a promise, listening for `onmessage` and `onerror` events and resolving t
```js ```js
const runAsync = fn => { const runAsync = fn => {
const blob = ` const blob = `var fn = ${fn.toString()}; postMessage(fn());`;
var fn = ${fn.toString()};
this.postMessage(fn());
`;
const worker = new Worker( const worker = new Worker(
URL.createObjectURL(new Blob([blob]), { URL.createObjectURL(new Blob([blob]), {
type: 'application/javascript; charset=utf-8' type: 'application/javascript; charset=utf-8'
@ -31,9 +28,9 @@ const runAsync = fn => {
```js ```js
const longRunningFunction = () => { const longRunningFunction = () => {
let result = 0; let result = 0;
for (var i = 0; i < 1000; i++) { for (let i = 0; i < 1000; i++) {
for (var j = 0; j < 700; j++) { for (let j = 0; j < 700; j++) {
for (var k = 0; k < 300; k++) { for (let k = 0; k < 300; k++) {
result = result + i + j + k; result = result + i + j + k;
} }
} }