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HTML DOM 元素 append()
tryjsref_element_append4
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<!DOCTYPE html> <html> <body> <h1>The Element Object</h1> <h2>The append() Method</h2> <div id="myDiv"></div> <p>Click "Append" to append an element and a text to a div:</p> <button onclick="myFunction()">Append</button> <script> function myFunction() { const div = document.getElementById("myDiv"); const h3 = document.createElement("h3"); div.append(h3); h3.append("Hello! I am an appended h3"); } </script> </body> </html>