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Joshua Peek 2014-05-19 09:56:17 -04:00
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@ -17,23 +17,29 @@ ExecJS supports these runtimes:
A short example: A short example:
require "execjs" ``` ruby
ExecJS.eval "'red yellow blue'.split(' ')" require "execjs"
# => ["red", "yellow", "blue"] ExecJS.eval "'red yellow blue'.split(' ')"
# => ["red", "yellow", "blue"]
```
A longer example, demonstrating how to invoke the CoffeeScript compiler: A longer example, demonstrating how to invoke the CoffeeScript compiler:
require "execjs" ``` ruby
require "open-uri" require "execjs"
source = open("http://jashkenas.github.com/coffee-script/extras/coffee-script.js").read require "open-uri"
source = open("http://jashkenas.github.com/coffee-script/extras/coffee-script.js").read
context = ExecJS.compile(source) context = ExecJS.compile(source)
context.call("CoffeeScript.compile", "square = (x) -> x * x", :bare => true) context.call("CoffeeScript.compile", "square = (x) -> x * x", :bare => true)
# => "var square;\nsquare = function(x) {\n return x * x;\n};" # => "var square;\nsquare = function(x) {\n return x * x;\n};"
```
# Installation # Installation
$ gem install execjs ```
$ gem install execjs
```
# FAQ # FAQ