fmpq.com
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> <p>点击按钮检测数组中是否有元素大于输入框中输入的数字。</p> <p>最小年龄: <input type="number" id="ageToCheck" value="18"></p> <button onclick="myFunction()">点我</button> <p>判断结果: <span id="demo"></span></p> <script> var ages = [4, 12, 16, 20]; function checkAdult(age) { return age >= document.getElementById("ageToCheck").value; } function myFunction() { document.getElementById("demo").innerHTML = ages.some(checkAdult); } </script> </body> </html>
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