Javascript Style - 如何使用!important标志通过DOM设置CSS属性
<!DOCTYPE html> <html> <head> <style type='text/css'> #test { padding: 1em; font-size: 50px; font-weight: bold; color: red !important; } </style> </head> <body> <div id="test">This is a test</div> <script type='text/javascript'> var elem = document.getElementById('test'); elem.style.setProperty( 'color', 'green', 'important' ); </script> </body> </html>