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<html><body><h2>Modify a JavaScript Object</h2><p id="demo"></p><script>const myObj = {name:"John", age:30, city:"New York" };myObj.name = "Gilbert";document.getElementById("demo").innerHTML = myObj.name;</script></body></html><html><body><h2>Modify a JavaScript Object</h2><p id="demo"></p><script>const myObj = {name:"John", age:30, city:"New York" };myObj.name = "Gilbert";document.getElementById("demo").innerHTML = myObj.name;</script></body></html>