jQuery Grep Example

jquery-grepExample.js

// Get just the toys by grep on products
var toys = $.grep(myData.products, function (element, index) {
    // return whether myData.products.category == 'Toy'
    return element.category == "Toy";
});

// toys is a new array of the matching products
$.each(toys, function (i) {
    $('#toys').append("<li class='toy'>" + toys[i].name + "</li>");
});