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<!DOCTYPE html> <html> <body> <h2>JavaScript let</h2> <p>Redeclaring a variable with <b>let</b>, in another scope, or in another block, is allowed:</p> <p id="demo"></p> <script> let x = 2; // Allowed { let x = 3; // Allowed } { let x = 4; // Allowed } document.getElementById("demo").innerHTML = x; </script> </body> </html>
