HTML tutorial
CSS3 tutorial
Bootstrap tutorial
JavaScript tutorial
JQuery tutorial
AngularJS tutorial
React tutorial
NodeJS tutorial
PHP tutorial
Python tutorial
Python3 tutorial
Django tutorial
Linux tutorial
Docker tutorial
Ruby tutorial
Java tutorial
C tutorial
C ++ tutorial
Perl tutorial
JSP tutorial
Lua tutorial
Scala tutorial
Go tutorial
ASP.NET tutorial
C # tutorial
The console object provides access to the browser's debugging console
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
window.console.error("You made a mistake");
console.error("You made a mistake");
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 |