JSFiddle - React, Tailwind, and code Playground
JavaScript
const add = {
a: [1,2,4],
b: [1,3,4],
c: [1,2,3]
}
const total = Object.values(add).reduce((t, b) =>{
return t + b[1]
} , 0)
console.log(total)
var array = [2, 5, 5, 5, 9];
console.log(array)
var index = array.indexOf(5);
if (index > -1) {
array.splice(index, 1);
}
// array = [2, 9]
console.log(array);