In this example, How to add an element in javaScript array? Declare array: var vehicles= new Array("Saab", "Volvo", "BMW"); Add element to array: vehicles.push("Audi"); See the code snippet:

<!DOCTYPE html> <html> <head> <title>Welcome to LearnKode - A code learning platform</title> </head> <body> <button onclick="addVehicle()">Add the array element</button> <p id="sample"></p> <script> var vehicles= new Array("Saab", "Volvo", "BMW"); document.getElementById("sample").innerHTML = vehicles; function addVehicle() { vehicles.push("Audi"); document.getElementById("sample").innerHTML=vehicles; } </script> </body> </html>