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<html lang='uk'><body><p>Видалити властивості масиву:</p><p id="demo"></p><script>let x = "";const myObj = { "name":"John", "age":30, "cars": ["Ford","BMW","Fiat"]}delete myObj.cars[1];for (let i in myObj.cars) { x += myObj.cars[i] + "<br>";}document.getElementById("demo").innerHTML = x;</script></body></html>