array return true or false code example

Example 1: js find array return true false

['one', 'two'].some(item => item === 'one') // true
['one', 'two'].some(item => item === 'three') // false

Example 2: javascript some

const age= [2,7,12,17,21];

age.some(function(person){
return person > 18;}); //true

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