Answers for "js length"

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
22

javascript string lentrh

var myString = "string test";
var stringLength = myString.length;

console.log(stringLength); // Will return 11 because myString 
// 							  is 11 characters long...
Posted by: Guest on March-15-2020
24

array 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]
Posted by: Guest on December-08-2019
23

javascript length

var colors = ["Red", "Orange", "Blue", "Green"];
var colorsLength=colors.length;//4 is colors array length 

var str = "bug";
var strLength=str.length;//3 is the number of characters in bug
Posted by: Guest on June-27-2019
20

javascript array size

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 5
Posted by: Guest on May-08-2020
4

js string length

let str = "foo";
console.log(str.length);
// 3
Posted by: Guest on January-22-2021

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