Console d'API
L'objet console
L' objet console permet d'accéder à la console de débogage du navigateur.
L' objet console est une propriété de l' objet window .
L' objet console est accessible avec :
window.console
ou juste console
Exemples
window.console.error("You made a mistake");
console.error("You made a mistake");
Méthodes d'objet de la console
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 |