javascript object length
var size = Object.keys(myObj).length;javascript object length
var size = Object.keys(myObj).length;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)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: 4Length 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);Copyright © 2021 Codeinu
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