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<!DOCTYPE html> <html> <body> <h2>JavaScript 数组排序</h2> <p>单击按钮可按年龄对汽车对象进行排序。</p> <button onclick="myFunction()">排序</button> <p id="demo"></p> <script> var cars = [ {type:"Volvo", year:2016}, {type:"Saab", year:2001}, {type:"BMW", year:2010} ]; displayCars(); function myFunction() { cars.sort(function(a, b){return a.year - b.year}); displayCars(); } function displayCars() { document.getElementById("demo").innerHTML = cars[0].type + " " + cars[0].year + "<br>" + cars[1].type + " " + cars[1].year + "<br>" + cars[2].type + " " + cars[2].year; } </script> </body> </html>