JavaScript

Day #10 Pro Tip #Javascript

Conditionally set an object property using the spread operator !!

Let’s consider this example:

var object = {
   "name": "Arwa",
   "city": "Mumbai"
}

Day #9 Pro Tip #Javascript

Block level scope in Javascript !!!

Let us consider this example

function scope() {

  var scope = "I am outer scope"

  if(true){
    var scope = "I am inner…

Day #8 Pro Tip #Javascript

Double not — always not out.

Your variable hold multiple data types ? Tired of checking null / undefined or zero ? Use !! ( two times ‘!’ (not) operator ) . That will type cast your variable into boolean

Let’s better know the famous VDOM

Document Object Model (DOM) is a basic representation of your UI. Everything you see on the UI is…

Day #5 Pro Tip #Javascript

Simplify if condition — Use indexOf

Do you have one variable to be checked against multiple values ?

For e.g. Jack will be happy when he will get to eat Mango, Apple, Grapes or Guava

Day #4 Pro Tip #Javascript

Undefined is not null , Happy Realization….

Day #3 Pro Tip #Javascript

Do not pass strings, to setTimeout() and setInterval(). Pass a variable referencing a function…

If you pass a string into setTimeout() or setInterval(), the string will be evaluated the same…

Your one stop solution for Javascript & ReactJS is here !!!!

Day #2 Pro Tip #Javascript

Don’t use delete to remove an item from array