console

warning

🚧 This page is work in progress, so please refer to the MDN documentation for more information.

The global console object, as defined in Web specifications.

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Methods

timeStamp()

React TSX

console.timeStamp(
  label: string,
  start?: string | number,
  end?: string | number,
  trackName?: string,
  trackGroup?: string,
  color?: DevToolsColor
): void;

The console.timeStamp API allows you to add custom timing entries in the Performance panel timeline.

Parameters:

Name	Type	Required	Description
label	string	Yes	The label for the timing entry.
start	string | number	No	If string, the name of a previously recorded timestamp with console.timeStamp. If number, the DOMHighResTimeStamp. For example, from performance.now(). If undefined, the current time is used.
end	string | number	No	If string, the name of a previously recorded timestamp with console.timeStamp. If number, the DOMHighResTimeStamp. For example, from performance.now(). If undefined, the current time is used.
trackName	string	No	The name of the custom track.
trackGroup	string	No	The name of the track group.
color	DevToolsColor	No	The color of the entry.

React TSX

type DevToolsColor =
  | 'primary'
  | 'primary-light'
  | 'primary-dark'
  | 'secondary'
  | 'secondary-light'
  | 'secondary-dark'
  | 'tertiary'
  | 'tertiary-light'
  | 'tertiary-dark'
  | 'warning'
  | 'error';