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<!DOCTYPE html> <html> <head> <title>Let's Coding Example</title> </head> <body> <div id="first">1.text</div> <div id="second">2.text</div> <script> var firstName = "John"; var lastName = "Doe"; if (firstName === "John") { document.getElementById("first").innerHTML = "Hello, " + firstName + " " + lastName; } </script> </body> </html>
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