()
| 13751 | function dataset(elem,pro,value){ |
| 13752 | |
| 13753 | function getDataPrefix(){ |
| 13754 | return 'data-' + pro.replace(/[A-Z]/g,function(m){ |
| 13755 | return '-' + m.toLowerCase(); |
| 13756 | }); |
| 13757 | }; |
| 13758 | |
| 13759 | if(typeof value=='undefined'){//取值 |
| 13760 | if(elem.dataset){ |