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como acrescentar item no array js

var numeros = [1, 2, 3];
numeros.push(4);

console.log(numeros); // [1, 2, 3, 4]

numeros.push(5, 6, 7);

console.log(numeros); // [1, 2, 3, 4, 5, 6, 7]
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