how to call a function from an object in javascript code example

Example 1: call function javascript

// Define your function
function sayHello(msg){
	console.log("Hello, " + msg);
}

// Call it
sayHello("Norris");

// outputs:
// Hello, Norris

Example 2: js call and apply

func.call([thisArg[, arg1, arg2, ...argN]])