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<!DOCTYPE html> <html> <body> <h2>JavaScript Arrays</h2> <script> let courses = ['HTML', 'CSS', 'JavaScript', 'MYSQL']; document.write("<b>" + courses + "</b><br>"); document.write("<b>" + courses.fill('PHP') + "</b>"); </script> </body> </html>
PCFET0NUWVBFIGh0bWw+DQo8aHRtbD4NCjxib2R5Pg0KDQo8aDI+SmF2YVNjcmlwdCBBcnJheXM8L2gyPg0KDQo8c2NyaXB0Pg0KbGV0IGNvdXJzZXMgPSBbJ0hUTUwnLCAnQ1NTJywgJ0phdmFTY3JpcHQnLCAnTVlTUUwnXTsNCmRvY3VtZW50LndyaXRlKCI8Yj4iICsgY291cnNlcyArICI8L2I+PGJyPiIpOw0KZG9jdW1lbnQud3JpdGUoIjxiPiIgKyBjb3Vyc2VzLmZpbGwoJ1BIUCcpICsgIjwvYj4iKTsNCjwvc2NyaXB0Pg0KDQo8L2JvZHk+DQo8L2h0bWw+