javascript true for any code example

Example 1: javascript every

const age= [2,7,12,17,21];
age.every(function(person){
return person>18;
});  //false

//es6
const age= [2,7,12,17,21];
age.every((person)=> person>18);  //false

Example 2: array method return boolean

let array = [1, 2, 3, 4, 5];

//Is any element even?
array.some(function(x) {
  return x % 2 == 0;
}); // true