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  1. [ References  ](/en-US/docs/Web)
  2. [ Web APIs  ](/en-US/docs/Web/API)
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  4. [ assert()  ](/en-US/docs/Web/API/console/assert_static)

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##  In this article

  * Syntax 
  * Examples 
  * Specifications 
  * Browser compatibility 
  * See also 

  1. **[ Console API ](/en-US/docs/Web/API/Console_API) **
  2. **[ ` Console ` ](/en-US/docs/Web/API/console) **
  3. Instance methods 
    1. _` assert() ` _
    2. [ ` clear() ` ](/en-US/docs/Web/API/console/clear_static)
    3. [ ` count() ` ](/en-US/docs/Web/API/console/count_static)
    4. [ ` countReset() ` ](/en-US/docs/Web/API/console/countreset_static)
    5. [ ` debug() ` ](/en-US/docs/Web/API/console/debug_static)
    6. [ ` dir() ` ](/en-US/docs/Web/API/console/dir_static)
    7. [ ` dirxml() ` ](/en-US/docs/Web/API/console/dirxml_static)
    8. [ ` error() ` ](/en-US/docs/Web/API/console/error_static)
    9. [ ` group() ` ](/en-US/docs/Web/API/console/group_static)
    10. [ ` groupCollapsed() ` ](/en-US/docs/Web/API/console/groupcollapsed_static)
    11. [ ` groupEnd() ` ](/en-US/docs/Web/API/console/groupend_static)
    12. [ ` info() ` ](/en-US/docs/Web/API/console/info_static)
    13. [ ` log() ` ](/en-US/docs/Web/API/console/log_static)
    14. [ ` profile() ` ](/en-US/docs/Web/API/console/profile_static) Non-standard 
    15. [ ` profileEnd() ` ](/en-US/docs/Web/API/console/profileend_static) Non-standard 
    16. [ ` table() ` ](/en-US/docs/Web/API/console/table_static)
    17. [ ` time() ` ](/en-US/docs/Web/API/console/time_static)
    18. [ ` timeEnd() ` ](/en-US/docs/Web/API/console/timeend_static)
    19. [ ` timeLog() ` ](/en-US/docs/Web/API/console/ti