| function f() { |
| var a = arguments; |
| eval("assertEq(arguments[0], 42)"); |
| eval("assertEq(arguments, a)"); |
| arguments = undefined; |
| eval("assertEq(arguments, undefined)"); |
| arguments = a; |
| eval("assertEq(arguments[0], 42)"); |
| eval("assertEq(arguments, a)"); |
| } |
| f(42); |
| |
| function f(z) { |
| var a = arguments; |
| eval("assertEq(arguments[0], 42)"); |
| eval("assertEq(arguments, a)"); |
| arguments = undefined; |
| eval("assertEq(arguments, undefined)"); |
| z = 17; |
| eval("assertEq(a[0], 17)"); |
| a[0] = 'ponies'; |
| eval("assertEq(z, 'ponies')"); |
| } |
| f(42); |