🤔 undefined vs not defined in JS under 13 minutes 🔥.(Hindi) #javascript #codingbuddha

In this video we will be covering very important question that What is difference between undefined and not defined because at first glance it looks like the same but there is very critical difference between them. Watch the full video and you will clear all your doubt. Callback in javascript https://youtu.be/cwRF1sz2g3M Functions in javascript https://youtu.be/2n3wc5Db39I Closures in javascript https://youtu.be/kWjQPrqLkM4 So in this video we will be discussing about: 0. What is Undefined? 1. What is Not defined? 2. Why we get the undefined? 3. What is variable value in the memory at memory allocation? #javascript #codingbuddha #javascriptinterview #javascriptinhindi #undefined #notdefined #webdevelopment #nodejs #reactjs #javascriptcodingbuddha