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<!DOCTYPE html> <html> <body> <h1>JavaScript Typed Arrays</h1> <h2>The findIndex() Method</h2> <p>The index of the first element with a value over 18 is:</p> <p id="demo"></p> <script> // Create a Typed Array const myArr = Int16Array.from([10,15,20,25,30,35,40,45,50]); // Find the first element with a value over 18 let result = myArr.findIndex(x => x > 18); document.getElementById("demo").innerHTML = result; </script> </body> </html>
