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)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)get length of array swift
// Initialize the Array
var a = [1,2,3]
// Get the size of the array
let size = a.count
print(size)how to find length of array js
var array = [1, 2, 3, 4, 5]; // array of size 5
var size = array.length; // add.length to get size
console.log('size : '+size);
//output: size : 5array length javascript
var numbers = [1, 2, 3, 4, 5];
var length = numbers.length;
for (var i = 0; i < length; i++) {
numbers[i] *= 2;
}
// numbers is now [2, 4, 6, 8, 10]array length javascript
var arr = [10,20,30,40,50]; //An Array is defined with 5 instances
var len= arr.length; //Now arr.length returns 5.Basically, len=5.
console.log(len); //gives 5
console.log(arr.length); //also gives 5Copyright © 2021 Codeinu
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