const arr = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'];
console.log('Before');
console.log(arr);
console.log(`\n----------------------------------------------\n`);
splice2 = arr.splice(2, 0, 1, 2, 3);
console.log('After');
console.log(arr);
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