Console API
The Console Object
The console object provides access to the browser's debugging console.
The console object is a property of the window object.
The console object is accessed with:
window.console or just console
Examples
window.console.error("You made a mistake");
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console.error("You made a mistake");
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Console Object Methods
| Method | Description |
|---|---|
| assert() | Writes an error message to the console if a assertion is false |
| clear() | Clears the console |
| count() | Logs the number of times that this particular call to count() has been called |
| error() | Outputs an error message to the console |
| group() | Creates a new inline group in the console. This indents following console messages by an additional level, until console.groupEnd() is called |
| groupCollapsed() | Creates a new inline group in the console. However, the new group is created collapsed. The user will need to use the disclosure button to expand it |
| groupEnd() | Exits the current inline group in the console |
| info() | Outputs an informational message to the console |
| log() | Outputs a message to the console |
| table() | Displays tabular data as a table |
| time() | Starts a timer (can track how long an operation takes) |
| timeEnd() | Stops a timer that was previously started by console.time() |
| trace() | Outputs a stack trace to the console |
| warn() | Outputs a warning message to the console |
