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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Extract substring from a String</title> </head> <body> <script> let str = "The quick brown fox jumps over the lazy dog."; document.write(str.substring(4, 15) + "<br>"); // Prints: quick brown document.write(str.substring(9, 0) + "<br>"); // Prints: The quick document.write(str.substring(-28, -19) + "<br>"); // Prints nothing document.write(str.substring(31)); // Prints: the lazy dog. </script> </body> </html>
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