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1// elem törlése
2let myArray = ['a', 'b', 'c', 'd']
3// 0. indextől számolva 2 elemet távolít el
4myArray.splice(0, 2)
5console.log(myArray)
6// --> [ 'c', 'd' ]
7
8// beszúrás
9const months = ['Jan', 'March', 'April', 'June'];
10// az 1-es indexű helyre illeszt be:
11months.splice(1, 0, 'Feb');
12console.log(months);
13// --> ['Jan', 'Feb', 'March', 'April', 'June']

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