<!DOCTYPE html> <html> <body> <h1>JavaScript 字符串方法</h1> <h2>italics() 方法</h2> <p id="demo1"></p> <p>italics() 方法在 JavaScript 中已被弃用。</p> <p>请使用 i 标签代替:</p> <p id="demo2"></p> <script> let text = "Hello World!"; let result = text.italics(); document.getElementById("demo1").innerHTML = result; text = "<i>Hello World!</i>" document.getElementById("demo2").innerHTML = text; </script> </body> </html>