JAVASCRIPT

javascript check if null

if (variable === null) { //Executes only if variable is null but not undefined
  //Code here
}

if (variable == null) { //Executes if variable is null OR undefined
  //Code here
}

javascript null check

if (Var === null) { 
//code goes here
}

js check null

if (Var === null) { 
//code goes here
}

How to Check for Null in JavaScript

let myStr = null;

if (myStr === null) {
  console.log("This is a null string!");
}

/*
This will return:

"This is a null string!"
*/

null check in javascript

if(!pass || !cpass || !email || !cemail || !user) {
   // Code here
}
// Which will check for empty strings (""), null, undefined, false and the numbers 0 and NaN