How to get an observableArray's length?

Question

I am attempting to create an array of contract line items (CLINs) that will be displayed as individual div elements below a header of general contract informati

Answer 1

For anyone who wants to get the length of an observableArray without the _destroyed items, you can use this function:

ko.observableArray.fn.totalVisible = function() {
    var items = this(), count = 0;

    if (items == null || typeof items.length === "undefined") {
        return 0;
    }

    for (var i = 0, l = items.length; i < l; i++) {
        if (items[i]._destroy !== true) {
            count++;
        }
    }

    return count;
};

Then to use it:

myObservableArray.totalVisible();