| Page | Title | HTML | JavaScript |
|---|---|---|---|
| Extra | Errors | errors.html | errors.js |
| 471 | Logging Data to the Console | console-log.html | console-log.js |
| 472 | More Console Methods | console-methods.html | console-methods.js |
| 473 | Grouping Messages | console-group.html | console-group.js |
| 474 | Writing Tabular Data | console-table.html | console-table.js |
| 475 | Writing on a Condition | console-assert.html | console-assert.js |
| 479 | Debugger Keyword | breakpoints.html | breakpoints.js |
| 481 | Try, Catch, Finally | try-catch-finally.html | try-catch-finally.js |
| 483 | Throw Error for NaN | throw.html | throw.js |
