every()
ES5+Tests whether all elements in the array pass the test implemented by the provided function.
Syntax
array.every(callback(element, index, array), thisArg)Parameters
callback Function Function to test each element
Return Value
boolean
true if all elements pass the test
Examples
JavaScript
const numbers = [2, 4, 6, 8];
const allEven = numbers.every(x => x % 2 === 0);
console.log(allEven); Output:
// true