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JavaScript - how to check if object is empty?

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Created by:

Mariam-Barron

811

Using JavaScript it is possible to check if object is empty in following way.

1. Custom function example

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function isEmpty(object) {
    for (var name in object) {
        if (object.hasOwnProperty(name)) {
            return false;
        }
    }
  
    return true;
}
​
// Usage example:
​
var object1 = { };
​
var object2 = {
    items: [ ]
};
​
var object3 = {
    result: false
};
​
var object4 = {
    ptint: function() { /* nothing here... */ }
};
​
console.log(isEmpty(object1)); // true
console.log(isEmpty(object2)); // false
console.log(isEmpty(object3)); // false
console.log(isEmpty(object4)); // false