Answers for "O(1) empty object"

60

javascript check if object is empty

function isObjectEmpty(obj) {
    return Object.keys(obj).length === 0;
}
Posted by: Guest on July-24-2019
7

javascript test for empty object

// because Object.entries(new Date()).length === 0;
// we have to do some additional check
Object.entries(obj).length === 0 && obj.constructor === Object
Posted by: Guest on February-20-2020

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