Answers for "how to check length of object in javascript"

0

length of dict js

// check length of dictionary

let dict = {a:1 , b:2 , c:3}

console.log(Object.keys(dict).length) // expected result : 3
Posted by: Guest on July-20-2020
33

javascript object length

var size = Object.keys(myObj).length;
Posted by: Guest on April-29-2020
20

javascript get length of object

var person={
    "first_name":"Harry",
    "last_name":"Potter",
    "age":14
};
var personSize = Object.keys(person).length; //gets number of properties (3)
Posted by: Guest on July-22-2019
1

can we find lenght of an object

Object.keys(myArray).length
Posted by: Guest on December-14-2020
1

length of an object in javascript

//length of this object is 4
let object = {
  'A':{
    '10':['a','b','c']
  }, 
  'B':{
    '20':['a','b','c']
  }, 
  'C':{
    '30':['a','b','c']
  }, 
  'D':{
    '40':['a','b','c']
  },   
}

//Get the keys of the object (A,B,C,D) and print how many there are
Object.keys().length
> prints: 4
Posted by: Guest on November-16-2020
0

Length of a JavaScript object

Object.size = function(obj) {
  var size = 0,
    key;
  for (key in obj) {
    if (obj.hasOwnProperty(key)) size++;
  }
  return size;
};

// Get the size of an object
const myObj = {}
var size = Object.size(myObj);
Posted by: Guest on July-24-2021

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