is it neccesssary to use the same formate as we taken in the function.

Question

function person(name, age, color) {
this.name = name;
this.age = age;
this.favColor = color;
}

var p1 = new person("John", 42, "green");
var p2 = new person("Amy", 21, "red");

document.write(p1.age);
document.write(p2.name);

is it neccesssary to use the same formate as we taken in the function.

function person(name,age,color)
to declare in,
var p1 = new person("John", 42, "green");

Answer 1

suppose you didnt use the format you set and put var p1 = new person (30, "blue", "Ted") it would try to put 30 as a name blue as a number and ted as a color

Answer 2

this is because of javascripts left to right associtivity when it passes these variables to the function