Renderer function parameters in the gridpanel Column

In Ext, Renderer is generally used to render the column model in grid. Its detailed information is recorded in the setrenderer (number Col, function FN) method in Ext. Grid. columnmodel.

1. Col: Number
The column Index
Ii. FN: Function
The function to use to process the cell's raw data to return HTML markup for the grid view. The render function is called with the following parameters:
1. Value: Object
The data value for the cell. (Cell value)
2. Metadata: Object
An object in which you may set the following attributes an object that can set the following two attributes)
** CSS: String
A css class name to add to the cell's TD element.
(Set the CSS class name for the TD element of the cell)
** ATTR: String
An HTML attribute definition string to apply to the data container element within the table cell (e.g. 'style = "color: red ;"').
(Add an HTML attribute to the cell element)
3. Record: Ext. Data. Record
The Ext. Data. Record from which the data was extracted.
(Ext. Data. Record object (entire record) corresponding to the row where the field is located ))
4. rowindex: Number
Row index (row number)
5. colindex: Number
Column index (column number)
6. Store: Ext. Data. Store
The Ext. Data. Store object from which the record was extracted.
(The data source object is the store/DS of the Grid)

There are six parameters in total.