How do I test for an empty JavaScript object

0 votes

After an AJAX request, sometimes my application may return an empty object, like:

var a = {};

How can I check whether that's the case?

Aug 28, 2020 in Java-Script by kartik
• 37,520 points
96 views

1 answer to this question.

0 votes

Hello @kartik,

Try this:

var obj = {};
return Object.keys(obj).length;

Hope it helps!

Thank You!!

answered Aug 28, 2020 by Niroj
• 82,780 points

Related Questions In Java-Script

0 votes
1 answer

How do I remove a property from a JavaScript object?

Hello @kartik, The delete operator is used to remove properties ...READ MORE

answered Jul 27, 2020 in Java-Script by Niroj
• 82,780 points
108 views
0 votes
1 answer

How do I check if an HTML element is empty using jQuery?

Hello @kartik, Try: if ($('#element').is(':empty')){ //do something }  If you ...READ MORE

answered Aug 25, 2020 in Java-Script by Niroj
• 82,780 points
849 views
0 votes
1 answer

How do you cache an image in Javascript?

Hii @kartik, You have to do three thigs: You ...READ MORE

answered Jun 2, 2020 in Java-Script by Niroj
• 82,780 points
1,887 views
0 votes
1 answer

How do I check if an element is hidden in jQuery?

Hello @kartik,  You can use CSS: class .hide { ...READ MORE

answered Jun 8, 2020 in Java-Script by Niroj
• 82,780 points
165 views
+1 vote
1 answer

How to make anchor tag with routing using Laravel?

Hey @kartik, First you have to go to ...READ MORE

answered Mar 18, 2020 in Laravel by Niroj
• 82,780 points
8,405 views
0 votes
1 answer

What is redirection in Laravel?

Named route is used to give specific ...READ MORE

answered Mar 18, 2020 in Laravel by Niroj
• 82,780 points
939 views
0 votes
1 answer

How to install Laravel via composer?

Hello, This is simple you just need to ...READ MORE

answered Mar 23, 2020 in Laravel by Niroj
• 82,780 points
763 views
+1 vote
1 answer

What are named routes in Laravel and How can specify route names for controller actions?

Hey @kartik, Named routing is another amazing feature of ...READ MORE

answered Mar 23, 2020 in Laravel by Niroj
• 82,780 points
9,144 views
0 votes
1 answer

How do I search for a key of object in javascript?

Use hasOwnProperty(key) for (let i = 0; i ...READ MORE

answered Oct 14, 2020 in Java-Script by Niroj
• 82,780 points
783 views
0 votes
1 answer

How do I remove a property from a JavaScript object?

Objects in JavaScript can be thought of ...READ MORE

answered Jun 8, 2020 in Java-Script by Niroj
• 82,780 points
149 views