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<!DOCTYPE html> <html> <body> <p>单击按钮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("world", 11); document.getElementById("demo").innerHTML = n; } </script> </body> </html>