维科纳蒂 »
×
改变方向
在 Codepen 上打开
更改主题，深色/浅色
<!DOCTYPE html> <html lang='uk'> <body> <h2>JavaScript Array.every()</h2> <p>The every() method checks if all array values pass a test.</p> <p id="demo"></p> <script> const numbers = [45, 4, 9, 16, 25]; let allOver18 = numbers.every(myFunction); document.getElementById("demo").innerHTML = "All over 18 is " + allOver18; function myFunction(value, index, array) { return value > 18; } </script> </body> </html>
