JSFiddle - React, Tailwind, and code Playground

by brigand

TypeScript

const data = [1,2,3];

console.log(data.reduce((a: number, b: number) => a + b, 0));

//var total = (data)?data.reduce((a, b) => { return a + b }):0; 
//console.log("total is : " + total );

/* var ints = [0, -1, -2, -3, -4, -5];
ints.filter(x => x > 0)         // removes all elements
   // .reduce((x, y) => x + y, 0) // the initial value is the neutral element of the addition
    
    console.log(ints) */