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<html><body><p>Modify object values using bracket notation:</p><p id="demo"></p><script>let x = "";let myObj = { "name":"John", "age":30, "cars": { "car1":"Ford", "car2":"BMW", "car3":"Fiat" }}myObj.cars["car2"] = "Mercedes";for (let i in myObj.cars) { x += myObj.cars[i] + "<br>";}document.getElementById("demo").innerHTML = x;</script></body><!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjson_object_modify_bracket by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 16:49:21 GMT --></html>