Jquery selector learning record

1, selecting a first level sub-node

    Achieved by> or children method

    $('#XtraTabPage8>.datagrid-ftable')

    $('#XtraTabPage8').children('.datagrid-ftable')

2, select all child nodes, namely node descendants

    Achieved through space

    $('#XtraTabPage8 .datagrid-ftable')

    Use the find function

    $('#XtraTabPage8').find('.datagrid-ftable')

3, choose the same level

       $('#XSmartDictLookup8').prev()

       $('#XSmartDictLookup8').next()

4. Select Parent

    $('#XSmartDictLookup8').parent()