(start, size)
| 408 | return /\S/.test(ch); |
| 409 | }]; |
| 410 | function makeKeyRange(start, size) { |
| 411 | var keys = []; |
| 412 | for (var i = start; i < start + size; i++) { |
| 413 | keys.push(String.fromCharCode(i)); |
| 414 | } |
| 415 | return keys; |
| 416 | } |
| 417 | var upperCaseAlphabet = makeKeyRange(65, 26); |
| 418 | var lowerCaseAlphabet = makeKeyRange(97, 26); |
| 419 | var numbers = makeKeyRange(48, 10); |