js check if all values in array are equal code example
Example 1: check if array has same values javascript
const allEqual = arr => arr.every(v => v === arr[0]);
allEqual([1,1,1,1]); // true
Example 2: check array values equal js
[1,1,1,1].every( (val, i, arr) => val === arr[0] ) // true
Example 3: how to get every index of array in javascript
for(const element of array)
console.log(element)