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Link sizes 属性
tryjsref_link_sizes
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<!DOCTYPE html> <html> <head> <link id="myLink" rel="icon" href="demo_icon.gif" type="image/gif" sizes="16x16"> </head> <body> <h2>Hello world!</h2> <p>Click the "Try it" button to return the value of the sizes attribute of the link element.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myLink").sizes; document.getElementById("demo").innerHTML = x; } </script> </body> </html>