// compare two objects are equal or not
var alert = function (str) {
var st = document.createTextNode(str);
var p = document.createElement('p');
p.appendChild(st);
document.querySelector('body').appendChild(p);
}
var john = {
occupation: "Web Developer",
age: 25
};
var bobby = {
occupation: "Web Developer",
age: 25
};
function isEquivalent(a, b) {
// Create arrays of property names
var aProps = Object.getOwnPropertyNames(a);
var bProps = Object.getOwnPropertyNames(b);
// If number of properties is different,
// objects are not equivalent
if (aProps.length != bProps.length) {
return false;
}
for (var i = 0; i < aProps.length; i++) {
var propName = aProps[i];
// If values of same property are not equal,
// objects are not equivalent
if (a[propName] !== b[propName]) {
return false;
}
}
// If we made it this far, objects
// are considered equivalent
return true;
}
// Outputs: true
alert(isEquivalent(john, bobby));
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