2
我加入了以下筛选到我的视图模型:淘汰赛过滤
contactsViewModel.filterItems = ko.computed(function() {
var filter = this.filterInput().toLowerCase();
if (!filter || !this.hasEnoughChars()) {
// Simply keep the results if input is empty or less 3 chars are in it
return this.contacts();
} else {
// iterate through the JSON again
return ko.utils.arrayFilter(this.contacts(), function (item) {
// Return the objects that contain the filter term
// ko.utils.stringContains is not part of knockout
// Manually added to knockout-2.2.0.debug.js line 238
return ko.utils.stringContains(item.firstName().toLowerCase(), filter)
|| ko.utils.stringContains(item.lastName().toLowerCase(), filter)
|| ko.utils.stringContains(item.email().toLowerCase(), filter)
|| ko.utils.stringContains(item.company().toLowerCase(), filter);
});
}
}, contactsViewModel);
我如何通过减少的时候,我打电话stringContains数量来提高这个代码? 我想能写:
return ko.utils.stringContains(item.FirstName().toLowerCase() || item.lastName().toLowerCase() || item.email().toLowerCase() || item.company().toLowerCase(), filter);
但是当我做这个
从淘汰赛stringContains不返回正确的值:
stringContains: function (string, contains) {
string = string || "";
return string.indexOf(contains) != -1;
}
你的帮助是多少赞赏