| <html> |
| <head> |
| <script type="text/javascript"> |
| |
| function print(str) { |
| document.writeln(str+"<br/>"); |
| } |
| |
| if (window.layoutTestController) |
| layoutTestController.dumpAsText(); |
| </script> |
| </head> |
| <body> |
| 1.0 Behavior with Holes in Array<br/> |
| The following tests ensure that filter skips holes in the array it constructs. You should see true printed twice:<br/><br/> |
| <script> |
| function passUndefined(element, index, array) { |
| return typeof element === "undefined"; |
| } |
| |
| var arr = [undefined]; |
| var res = arr.filter(passUndefined); |
| print(res.length == 1 && 0 in res && res[0] === undefined); |
| |
| arr = new Array(20); |
| res = arr.filter(passUndefined); |
| print(res.length == 0); |
| |
| </script> |
| </body> |
| </html> |
