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Mahdi Dibaiee 2015-06-08 20:15:59 +04:30
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_posts/2015-06-06-array-generator-comprehensions.md
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@ -15,11 +15,11 @@ useful feature as it removes the need to write new generators for simple map/fil
Generator comprehensions allow us to easily write single-line generators, which can replace our arrays in some situations, you might ask why we might consider replacing arrays with generators, the most important reason is their [laziness](#laziness). I've explained laziness later in the article. Generator comprehensions allow us to easily write single-line generators, which can replace our arrays in some situations, you might ask why we might consider replacing arrays with generators, the most important reason is their [laziness](#laziness). I've explained laziness later in the article.
Comprehensions are currently only supported by Firefox, use Firefox 30+ or [Babel](https://babeljs.io/repl/) to run the examples. The Node.js version using generator `function* ()`s is available at the [repository](https://github.com/mdibaiee/array-vs-generator) (doesn't require transpilation, use latest node). Comprehensions are currently only supported by Firefox, use Firefox 30+ or [Babel](https://babeljs.io/repl/) to run the examples. The Node.js version of examples using generator `function* ()`s is available at the [repository](https://github.com/mdibaiee/array-vs-generator) (doesn't require transpilation, use latest node).
#Syntax #Syntax
The syntax is pretty simple, you can use only `for of` and `if` inside comprehensions. The syntax is pretty simple, you can only use `for of` and `if` inside comprehensions.
Array comprehensions: Array comprehensions:
{% highlight javascript %} {% highlight javascript %}