jsmodern/dist/array/sum.js

An extension to existing JavaScript, influenced by other great languages such as Rust, Dart, Java, Golang, etc.

export const sum = {
    label: 'sum',
    fn: function arraySum() {
        const ctx = this;
        const len = ctx.length;
        if (!len)
            return 0;
        if (1 === len)
            return ctx[0];
        return ctx.reduce((p, n) => p + n, 0);
    },
};
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