text: /// Copyright (c) 2012 Ecma International.  All rights reserved. 
  /**
   * @path ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-4-5.js
   * @description Array.prototype.reduceRight throws TypeError if callbackfn is number
   */
  
  
  function testcase() {
  
    var arr = new Array(10);
    try {
      arr.reduceRight(5);    
    }
    catch(e) {
      if(e instanceof TypeError)
        return true;  
    }
  
   }
  runTestCase(testcase);
  