After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：php generates json information
var xhr = XMLHttpRequest();
2018-08-130个赞
Courses in the relevant section：Review of form elements [image, text and music version]
<dl> <dt></dt> <dd></dd> </dl>
2018-11-140个赞
Courses in the relevant section：External resource import and formatted output
{$title|default='默认标题'}
2018-12-070个赞
Courses in the relevant section：template layout
{__CONTONT__}
2018-12-070个赞
