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check if all array elements are equal Code Example
check if array has same values javascript
const allEqual = arr => arr.every(v => v === arr[0]);
allEqual([1,1,1,1]);  // true
how to check all values of an array are equal or not in javascript
// how to check all values of an array are equal or not in javascript
const allEqual = (arr) => arr.every(val => val === arr[0]);
console.log(allEqual([1, 2, 3, 4, 5, 6])); // false
console.log(allEqual([1, 1, 1, 1])); // true
check array values equal js
[1,1,1,1].every( (val, i, arr) => val === arr[0] )   // true
check if all array elements are equal

function myFunction( arr ) {
  return new Set(arr).size === 1
}




Javascript

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