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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript String Operators</title> </head> <body> <script> let str1 = "Hello"; let str2 = " World!"; document.write(str1 + str2 + "<br>"); // Outputs: Hello World! str1 += str2; document.write(str1); // Outputs: Hello World! </script> </body> </html>
