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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Javascript - Console object example</title> </head> <body> <h2>Open console by pressing <kbd>F12</kbd> or on mac press <kbd>cmd + opt + j</kbd>.</h2> <script> window.console.log("Hello World!"); // with window console.log(123); // without window since it is global console.log(10 * 5); console.log(Math.PI); </script> </body> </html>
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