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forEach()

iterates over all items of a data collection

forEach(callback: (item: object, index?: number, array?: object[]) => any): void;

Parameters:

  • callback: function - a function that will iterate over items of a data collection. The function takes three parameters:
    • item - (required) the object of an item
    • index - (optional) the index of an item
    • array - (optional) an array with items

Example

component.data.forEach(function(item, index, array) {
    console.log("This is an item of dataCollection: ", item);
    console.log("This is an index of the element: ", index);
    console.log("This is an array of the elements: ", array);
});

Related sample: Data. ForEach

Change log:

added in v6.4