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foreachasync.js
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moved important part of example up front

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AJ ONeal 2013-08-06 12:23:16 -07:00
parent ff8ccb447e
commit ea52246ee7
1 changed files with 11 additions and 11 deletions
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README.md
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@ -17,7 +17,17 @@ Usage
It's as simple as you could guess: It's as simple as you could guess:
```javascript ```javascript
// an asynchronous web request // waits for one request to finish before beginning the next
forEachAsync(['dogs', 'cats', 'octocats'], function (next, element, index, array) {
getPics(element, next);
// then after all of the elements have been handled
// the final callback fires to let you know it's all done
}).then(function () {
console.log('All requests have finished');
});
// where `getPics` might be an asynchronous web request such as this
function getPics(animal, cb) { function getPics(animal, cb) {
var flickerAPI = "http://api.flickr.com/services/feeds/photos_public.gne?jsoncallback=?"; var flickerAPI = "http://api.flickr.com/services/feeds/photos_public.gne?jsoncallback=?";
$.getJSON( $.getJSON(
@ -32,16 +42,6 @@ It's as simple as you could guess:
} }
); );
} }
// waits for one request to finish before beginning the next
forEachAsync(['dogs', 'cats', 'octocats'], function (next, element, index, array) {
getPics(element, next);
// then after all of the elements have been handled
// the final callback fires to let you know it's all done
}).then(function () {
console.log('All requests have finished');
});
``` ```