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<!DOCTYPE html> <html> <body> <h2>JavaScript 数组排序</h2> <p>单击按钮可按字母顺序或数字顺序对数组进行排序。</p> <button onclick="myFunction1()">按字母顺序排序</button> <button onclick="myFunction2()">按数字排序</button> <p id="demo"></p> <script> var points = [40, 100, 1, 5, 25, 10]; document.getElementById("demo").innerHTML = points; function myFunction1() { points.sort(); document.getElementById("demo").innerHTML = points; } function myFunction2() { points.sort(function(a, b){return a - b}); document.getElementById("demo").innerHTML = points; } </script> </body> </html>