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js is object empty
function isObjectEmpty(obj) {
return Object.keys(obj).length === 0;
}
check empty object
Object.keys(object).length === 0
javascript check empty object
function isEmptyObject(obj) {
return !Object.keys(obj).length;
}
check if object is empty javascript
const empty = {};
/* -------------------------
Plain JS for Newer Browser
----------------------------*/
Object.keys(empty).length === 0 && empty.constructor === Object
// true
/* -------------------------
Lodash for Older Browser
----------------------------*/
_.isEmpty(empty)
// true
js check if object is empty
> !!Object.keys(obj).length;
how to check if a javascript object is empty?
const emptyObject = {
}
// Using keys method of Object class
let isObjectEmpty = (object) => {
return Object.keys(object).length === 0;
}
console.log(isObjectEmpty(emptyObject)); // true
// Using stringify metod of JSON class
isObjectEmpty = (object) => {
return JSON.stringify(object) === "{}";
}
console.log(isObjectEmpty(emptyObject)); // true
es6 check if the object is empty
Object.entries(objectToCheck).length === 0
Checking Empty JS Object
const empty = {};
/* -------------------------
Plain JS for Newer Browser
----------------------------*/
Object.keys(empty).length === 0 && empty.constructor === Object
// true
/* -------------------------
Lodash for Older Browser
----------------------------*/
_.isEmpty(empty)
// true
check empty object
function isEmpty(obj) {
return Object.keys(obj).length === 0;
}
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
how to check if a javascript object is empty
function isEmpty(obj) { return Object.keys(obj).length === 0;}
how find empty object in js
const emptyObject = {}
Object.entries(objectToCheck)
If it returns an empty array, it means the object does not have any enumerable property,
which in turn means it is empty.
Object.entries(objectToCheck).length === 0
Lodash, a popular library, makes it simpler by providing the isEmpty() function:
_.isEmpty(objectToCheck)
check object is empty javascript
if(
objectName // Verify object presence
&& Object.keys(objectName).length === 0 // Verify object content
&& Object.getPrototypeOf(objectName) === Object.prototype // Verify object type
) {
// Run truthy condition.
}
check empty object javascript
const obj = {};
const obj2 = { n: 1 };
function isObjectEmpty(object) {
for (const key in object) {
return !object.hasOwnProperty(key);
}
return true;
}
console.log("1", isObjectEmpty(obj));
console.log("2", isObjectEmpty(obj2));
javascript create object empty
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