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<!DOCTYPE html> <html> <body> <h1>获取文本内容</h1> <h2 id="01">Hello World!</h2> <h2 id="02">Hello Sweden!</h2> <h2 id="03">Hello Japan!</h2> <p id="demo"></p> <script> var myElement = document.getElementById("02"); var myText = myElement.textContent || myElement.innerText; document.getElementById("demo").innerHTML = myText; </script> </body> </html>