How to check if an object is a Promise

0 votes
Whether it's an ES6 Promise, a Bluebird Promise, a Q Promise, or anything else.

 

How can I determine whether a given item is a Promise?
Dec 6, 2022 in Java by Nicholas
• 7,760 points
453 views

No answer to this question. Be the first to respond.

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.

Related Questions In Java

0 votes
3 answers

How to check if a String is numeric in Java?

Check if a string is numeric public class ...READ MORE

answered Dec 29, 2020 in Java by Carlos
2,852 views
0 votes
0 answers

Check if a value is an object in JavaScript

How do you check if a value ...READ MORE

Dec 7, 2022 in Java by Nicholas
• 7,760 points
373 views
0 votes
2 answers

What's the best way to check if a String represents an integer in Java?

You can also use regular expression. str.matches("-?\\d+"); It will ...READ MORE

answered Aug 9, 2018 in Java by Daisy
• 8,140 points
3,956 views
0 votes
3 answers

How to check whether a string is empty or not? Is there a function for this?

str != null && str.length() != 0 alternatively str ...READ MORE

answered Sep 11, 2018 in Java by Sushmita
• 6,920 points
1,432 views
0 votes
1 answer

How to tell Jackson to ignore a field during serialization if its value is null?

To suppress serializing properties with null values ...READ MORE

answered Jul 4, 2018 in Java by Rishabh
• 3,620 points
7,055 views
0 votes
2 answers

How to check if a string has only letters

You could probably use Java 8 lambda ...READ MORE

answered Aug 30, 2019 in Java by Karan
• 19,610 points
3,298 views
0 votes
1 answer

How to cast jQuery $.ajax calls to Bluebird promises without the deferred anit-pattern

jQuery have promises implemented with their AJAX ...READ MORE

answered Aug 1, 2022 in Web Development by rajatha
• 7,680 points
541 views
0 votes
0 answers

When to use promise.all()?

What is/are the appropriate scenario(s) for using promise.all() OR Is there a better way to utilize promise.all()?  Should it be used ideally just when all of the promise objects are of the same or comparable type? The only one that comes to mind is: Use promise.all() if you want to resolve the promise only if all of ...READ MORE

Dec 12, 2022 in Java by Nicholas
• 7,760 points
453 views
0 votes
1 answer

Presenting docket dtates inside html page by javascript

Use the Docker Engine Api:Docker Engine API ...READ MORE

answered Jun 20, 2018 in Docker by DareDev
• 6,890 points
729 views
0 votes
1 answer

Migrating proxy npm repo in nexus 3

I don't think you can achieve this ...READ MORE

answered Jun 22, 2018 in DevOps Tools by DareDev
• 6,890 points
1,518 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP