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<!DOCTYPE html> <html> <body> <img id="myImg" src="w3javascript.gif" width="100" height="132"> <br> <button type="button" onclick="hideElem()">隐藏图片</button> <button type="button" onclick="showElem()">显示图片</button> <script> function hideElem() { document.getElementById("myImg").style.visibility = "hidden"; } function showElem() { document.getElementById("myImg").style.visibility = "visible"; } </script> </body> </html>