Robert Crews rcrews
headius
/ js_from_ruby
Last active
October 28, 2019 13:07
Calling into JavaScript from JRuby using javax.script
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| >> java_import javax.script.ScriptEngineManager | |
| => [Java::JavaxScript::ScriptEngineManager] | |
| >> mgr = ScriptEngineManager.new | |
| => #<Java::JavaxScript::ScriptEngineManager:0x780cb77> | |
| >> js = mgr.getEngineByExtension("js") | |
| => #<Java::JdkNashornApiScripting::NashornScriptEngine:0x60015ef5> | |
| >> js.eval("print(1)") | |
| 1 | |
| => nil | |
| >>> |