How to check if a Variable Is Not Null in Javascript?

javascript is not null

if(data !== null && data !== '') {
   // do something
}

Check if a Variable is Not NULL in JavaScript

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const a = 'hello';

if (a !== null) {
  console.log('✅ a is NOT null');
} else {
  console.log('⛔️ a is null');
}

Conclusion

In this page (written and validated by A. Gawali) you learned about . What's Next? If you are interested in completing Javascript tutorial, we encourage you simply to start here: Javascript Tutorial.

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