html - waitForElementPresent command NightwatchJS -


i want know whether waitforelementpresent provides time visible element.at same time waitforelementpresent give elements rendering time? example 

       client.waitforelementpresent('body', 300);

then result 

          element <body> present after 23 milliseconds.

23 ms equal elements rendering time? time affected parameter(300) or (100)?

as long know time affected parameter gave him, in case 300ms.


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