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Blockquote cite 属性
tryjsref_blockquote_cite2
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<!DOCTYPE html> <html> <body> <p>Here is a quote from WWF''s website:</p> <blockquote id="myBlockquote" cite="http://www.worldwildlife.org/who/index.html"> For 50 years, WWF has been protecting the future of nature. The world''s leading conservation organization, WWF works in 100 countries and is supported by 1.2 million members in the United States and close to 5 million globally. </blockquote> <p>Click the button below to change the value of the cite attribute of the quotation above.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { document.getElementById("myBlockquote").cite = "http://www.freew3c.com"; document.getElementById("demo").innerHTML = "The value of the cite attribute was changed to ''www.freew3c.com''."; } </script> </body> </html>