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<!DOCTYPE html> <html> <body> <h3>如何访问 ABBR 元素的演示</h3> <p>The <abbr id="myAbbr" title="World Health Organization">WHO</abbr> was founded in 1948.</p> <p>单击按钮可获取“WHO”的缩写。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myAbbr").title; document.getElementById("demo").innerHTML = x; } </script> </body> </html>