1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> 5 <title></title> 6 <script type="text/javascript" src="test43.js"></script> 7 </head> 8 <body> 9 10 </body> 11 </html>
1 var supportsDOM2Core = document.implementation.hasFeature("Core", "2.0"); 2 var supportsDOM3Core = document.implementation.hasFeature("Core", "3.0"); 3 var supportsDOM2HTML = document.implementation.hasFeature("HTML", "2.0"); 4 var supportsDOM2Views = document.implementation.hasFeature("Views", "2.0"); 5 var supportsDOM2XML = document.implementation.hasFeature("XML", "2.0"); 6 7 console.log(supportsDOM2Core); 8 console.log(supportsDOM3Core); 9 console.log(supportsDOM2HTML); 10 console.log(supportsDOM2Views); 11 console.log(supportsDOM2XML);
貌似所有浏览器都不支持 supportsDOM3Core