<button onclick="add_Click()"> mathLib.Add(2,3) function</button>
<button onclick="change_mathLibAdd()">Change mathLib.Add() to return product</button>
JavaScript
var mathLib={};
mathLib.Add = function (n1,n2){
return n1+n2;
};
function add_Click(e){
return alert(mathLib.Add(2,3));
}
function change_mathLibAdd(){
mathLib.Add = function (n1,n2){
return n1*n2
};
alert("Now click on above button to see Add() returning product instead of sum");
}
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