typescript check if all values in array are true code example

Example 1: javascript check if any value in array is true

let boolArray1 = [true, false, false]
let boolArray2 = [false, false, false]

boolArray1.some(x => x);  // true
boolArray2.some(x => x);  // false

// Example of using a function to evaluate array
let numberArray = [1, 2, 3, 4, 5];
let oddNumbers = [1, 3, 5, 7, 9];

// checks whether an element is even
const even = (element) => element % 2 === 0;

numberArray.some(even);  // true
oddNumbers.some(even);   // false

Example 2: array every javascript

[12, 5, 8, 130, 44].every(elem => elem >= 10); // false
[12, 54, 18, 130, 44].every(elem => elem >= 10); // true

Example 3: how to get every index of array in javascript

for(const element of array)
  console.log(element)