empty an object js code example
Example 1: javascript check if object is empty
function isObjectEmpty(obj) {
return Object.keys(obj).length === 0;
}
Example 2: how to initialize empty javascript object
let obj = {};
Example 3: js object clear
// for enumerable and non-enumerable of an object with proto chain
var props = Object.getOwnPropertyNames(obj);
for (var i = 0; i < props.length; i++) {
delete obj[props[i]];
}
// for enumerable properties of shallow/plain object
for (var key in obj) {
// this check can be safely omitted in modern JS engines
// if (obj.hasOwnProperty(key))
delete obj[key];
}