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Exercise:
Use the concat() method to join the two strings: str1 and str2.
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<!DOCTYPE html> <html> <body> <p id="demo">Display the result here.</p> <script> var str1 = "Hello "; var str2 = "World!"; </script> </body> </html>
<!DOCTYPE html> <html> <body> <p id="demo">Display the result here.</p> <script> var str1 = "Hello "; var str2 = "World!"; document.getElementById("demo").innerHTML = str1.concat(str2); </script> </body> </html>
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