| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /** |
| * The Identifier in a FunctionExpression can be referenced from inside the FunctionExpression's FunctionBody to allow the function calling itself recursively |
| * |
| * @path ch13/13.0/S13_A3_T1.js |
| * @description Creating a recursive function that calculates factorial, as a variable. |
| * Function call itself by it`s name |
| */ |
| |
| var __func = function __exp__func(arg){ |
| if (arg === 1) { |
| return arg; |
| } else { |
| return __exp__func(arg-1)*arg; |
| } |
| }; |
| |
| var fact_of_3 = __func(3); |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| //CHECK#1 |
| if (fact_of_3 !== 6) { |
| $ERROR("#1: fact_of_3 === 6. Actual: fact_of_3 ==="+fact_of_3); |
| } |
| // |
| ////////////////////////////////////////////////////////////////////////////// |
| |
