Window Console Object


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

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