<html><body><p>单击该按钮以检查字符串是否以指定值结尾。</p><button onclick="myFunction()">试一试</button><p id="demo"></p><p><strong>注意：</strong> IE 11（及更早版本）不支持 endsWith() 方法。</p><script>function myFunction() { var str = "Hello world, welcome to the universe."; var n = str.endsWith("universe."); document.getElementById("demo").innerHTML = n;}</script></body></html>