How do I display the sum of multiple properties in Ractive

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I am using RactiveJS for my templates. I have some nested data like this:

var view = new Ractive({
    data: {
        items: [
            { size: 1 }
            { size: 3 }
            { size: 4 }
        ]
    }
});

How can I display the sum of item sizes in my template? This depends on the size of each individual item but also on the items array (e.g. items are added/removed).

asked 1 min ago

Sander Marechal

14.7k

How do I display the sum of multiple properties in Ractive