javascript 数组过滤器 - 淘汰赛

Posted 2021-05-03

function ProductModel() {
    var self = this;
    self.products = ko.observableArray([]);

    self.currentFilter = ko.observable(); // property to store the filter

    //...

    self.filterProducts = ko.computed(function() {
        if(!self.currentFilter()) {
            return self.products(); 
        } else {
            return ko.utils.arrayFilter(self.products(), function(prod) {
                return prod.genre == self.currentFilter();
            });
        }
    });
}