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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.
The rhino shell provides a simple way to run scripts in batch mode. The syntax is: java org.mozilla.javascript.tools.shell.Main [options] script-filename-or-url [script-arguments]Example 1: First of all, download the latest rhino and extract the zip file(for example: c:\rhino1_7R2). Second, add “c:\rhino1_7R2\js.jar” to the CLASSPATH of your environment. Third, add a JavaScript file “c:\test.js”, the content is: print("Hello World!");Fourth, open CMD window and input following command: java org.mozilla.javascript.tools.shell.Main c:test.jsthe output will be: Hello World!OK. We have got the basic concept of Rhino. Example 2:1. Open the test.js and modify the content: for (var i=0; i < arguments.length; i++) { print(arguments[i]); }2. Open the CMD window: java org.mozilla.javascript.tools.shell.Main c:test.js Hello World!3. Output: HelloWorld!Example 3:1. Modify the test.js: function add() { var result = 0; for (var i=0; i < arguments.length; i++) { result += arguments[i]; } print(result); } add(2, 3, 4);2. Open the CMD window: java org.mozilla.javascript.tools.shell.Main c:test.js3. Output: 9 |
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