<!DOCTYPE html> <html> <body> <h1>JavaScript 正则表达式</h1> <p>如果设置了 "g" 修饰符,则 global 属性返回 true,否则返回 false:</p> <p id="demo"></p> <script> let pattern = /SOU/g; let result = pattern.global; document.getElementById("demo").innerHTML = result; </script> </body> </html>