The applyMap() method replace grid records with the results of calling a provided function on every element in the grid records array.


  1. Callback function that receives the following arguments:

    1. Record object with properties for each field in the grid

    2. Index - the zero-based index of the current grid record being processed

    3. Records array - array representing all of the grid records

The function must return a record object


if (checkAll) { // Check all boxes in the grid display.grid.applyMap(record => { record.checked = true; return record; }); }