遍历对象

    xiaoxiao2021-03-25  81

    <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> </head> <body> <script> var str=''; var num=1; for(var attr in document){                     //window or document object str+=num+'. '+attr+':'+document[attr]+'<br/>'; num++; } document.body.innerHTML=str; </script> </body> </html>
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