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<!DOCTYPE html> <html> <body> <h1>Array includes()</h1> <p>检查 fruit 数组是否包含 "Mango"：</p> <p id="demo"></p> <p><b>注释：</b>Edge 13（及更早版本）不支持 includes 方法。</p> <script> const fruits = ["Banana", "Orange", "Apple", "Mango"]; document.getElementById("demo").innerHTML = fruits.includes("Mango"); </script> </body> </html>