编辑代码:
查看结果 »
试一试 - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Click the button to get every element in the array that has a value of 18 or more.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> var ages = [32, 33, 16, 40]; function checkAdult(age) { return age >= 18; } function myFunction() { document.getElementById("demo").innerHTML = ages.filter(checkAdult); } </script> </body> </html>