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<!DOCTYPE html> <html> <body> <p>How to delete properties of an array.</p> <p id="demo"></p> <script> var myObj, i, x = ""; myObj = { "name":"John", "age":30, "cars": ["Ford","BMW","Fiat"] } delete myObj.cars[1]; for (i in myObj.cars) { x += myObj.cars[i] + "<br>"; } document.getElementById("demo").innerHTML = x; </script> </body> </html>
How to delete properties of an array.