<!DOCTYPE html> <html> <body> <h1>JavaScript 字符串</h1> <h2>localeCompare() 方法</h2> <p>localeCompare() 返回指示排序顺序的三个数之一。</p> <ul> <li>-1,如果在之前排序</li> <li>1,如果在之后排序</li> <li>0,如果相等</li> </ul> <p>比较 "ab" 和 "cd":</p> <p id="demo"></p> <script> let text1 = "ab"; let text2 = "cd"; let result = text1.localeCompare(text2); document.getElementById("demo").innerHTML = result; </script> </body> </html>