اَلْعَرَبِيَّةُ
تحقق مما إذا كان المتغير غير محدد أو لاغٍ. JavaScript

تحقق مما إذا كان المتغير غير محدد أو لاغٍ. JavaScript

#JavaScript #null #typeof #undefined 


undefined, null
JavaScript example code

JavaScript

  Output result 
The variable is neither undefined nor null
The variable is neither undefined nor null
The variable is undefined or null
The variable is undefined or null
typeof
JavaScript example code

JavaScript

  Output result 
The variable is neither undefined nor null
The variable is neither undefined nor null
The variable is undefined or null
The variable is undefined or null
code examples and answer to questions in JavaScript programming luaguage

JavaScript

أمثلة التعليمات البرمجية والإجابة على الأسئلة في برمجة JavaScript luaguage

Hot Network Questions



.dll file is missing? Download for Windows 7, 8, 10 - Fix .dll file Missing Error on Windows | dll-box.com

BeeCoder.ORG

open source code and examples

We have been online since 2021 and 1 millions of people around the globe have visited our website since then

More visitors every month