The reduce() method executes a reducer function (that you provide) on each record in the grid resulting in a single output value.


  1. Reducer function that receives the following arguments:

    1. Accumulator

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

Return Value

An array containing the new records. Each array element is a JavaScript object with properties for each field in the grid.


pjs.defineDisplay("display.json"); // assume display.json defines mygrid with fields named "product", "description", and "quantity" display.mygrid.addRecords([ { product: 1, description: "ITEM ONE", quantity: 15 }, { product: 2, description: "ITEM TWO", quantity: 20 }, { product: 3, description: "ITEM THREE", quantity: 12 } ]); var totalQuantity = display.mygrid.reduce((total, record) => total + record.quantity);   console.log(totalQuantity); // should output 37