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tryjsref_oper_in_arrays2
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<!DOCTYPE html> <html> <body> <h1>JavaScript Operators</h1> <h2>The in Operator</h2> <p>The in operator returns true if a specified property is in an array:</p> <p id="demo"></p> <script> const cars = ["Saab", "Volvo", "BMW"]; document.getElementById("demo").innerHTML = ("Saab" in cars); </script> </body> </html>