Welcome to collectivesolver - Programming & Software Q&A with code examples. A website with trusted programming answers. All programs are tested and work.

Contact: aviboots(AT)netvision.net.il

Semrush - keyword research tool

Create your online store today with Shopify

Turn ChatGPT, Claude, Gemini, And CoPilot Into Your Personal Assistant, Business Coach, Content Creator, And More

AFFILIATE MARKETING Your all-in-one performance engine Manage affiliates, creators, and customer referrals in one unified platform—turning every partnership into measurable growth

Secure & Reliable Web Hosting, Free Domain, Free SSL, 1-Click WordPress Install, Expert 24/7 Support

Disclosure: My content contains affiliate links.

43,699 questions

57,016 answers

573 users

How to check if key exists in object with Node.js

2 Answers

0 votes
const obj = {
  	nodejs: true,
  	php: false,
  	cpp: true,
  	python: false
};
 
console.log("nodejs" in obj);
 
   
     
     
/*
run:
     
true
     
*/

 



answered Jul 13, 2022 by avibootz
0 votes
const obj = {
  	nodejs: true,
  	php: false,
  	cpp: true,
  	python: false
};
 
console.log(obj.c ? "Yes" : "No");
 
   
     
     
/*
run:
     
No
     
*/

 



answered Jul 13, 2022 by avibootz
...