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<!DOCTYPE html> <html> <body> <h2>Common JavaScript Mistakes</h2> <p>It is a common mistake to forget that switch statements use strict comparison.</p> <p>This will not work:</p> <p id="demo"></p> <script> let x = 10; switch(x) { case "10": document.getElementById("demo").innerHTML = "Hello"; } </script> </body> </html>
