Using Array.prototype.splice() is an easy way to achieve this
const numbers = ['one', 'two', 'four', 'five']
numbers.splice(2, 0, 'three');
console.log(numbers)Read more about Array.prototype.splice() here
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Ran Turner
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Ran Turner
- reputation score 18861
- 9 gold badges
- 61 silver badges
- 60 bronze badges