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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Javascript - console time</title> </head> <body> <h2>console.time() tracks how long does it take to execute javascript code.</h2> <p>Open console by pressing <kbd>F12</kbd> or on mac press <kbd>cmd + opt + j</kbd>.</p> <script> console.time("trackLoop"); for (let i = 0; i < 999999; i++) { } console.timeEnd("trackLoop"); </script> </body> </html>
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