var arr=[1,2,3,5,5];

var newArr = arr.forEach(function myfunction(val,indx, arr){
console.log(val+6);
});


var array = [5,9,7,3,64];

arr.map(function arrayMapping(val,idx,arr){
return idx;
})

console.log(array);

const massiv = [7,9,1,5,8,9,1];
const a = massiv.reduce(function reduseArray(a,b){
return a+b;
})

console.log(a);

const mas = [7,2,6,4,8,9];

const b = mas.every(function someFunction(a){
return a>5;
})

console.log(b);

const mass = [5,9,7,3,64];

const c = mas.some(function someFunction(a){
return a>5;
})

console.log(c);