Js null ==

Javascript is null

var myVar=null;

if(myVar === null){
    //I am null;
}

if (typeof myVar === 'undefined'){
    //myVar is undefined
}

Js null ==

null == null // true
null == undefined // true
null == 0 // false

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

Source: stackoverflow.com

Similar codes

0 vote317 views1 answer
Breaks_width in r
TypeScript
-4 votes289 views1 answer
Whats a group of pandas called
TypeScript
0 vote287 views1 answer
Regex exec returns null
TypeScript
0 vote323 views1 answer
Access - Open form non data entry mode
TypeScript
1 vote333 views1 answer
Get distance beetwen two points roblox
TypeScript
0 vote271 views1 answer
Check if drive exists c#
TypeScript
0 vote269 views1 answer
Positional arguments dart
TypeScript
0 vote277 views1 answer
Code solutions online for public IActionResult Student() { return View(Students Controller 1); }
TypeScript
2 votes317 views1 answer
Three dots icon flutter
TypeScript
0 vote308 views1 answer
Ngclass stackoverflow
TypeScript