JavaScript Comparison
Comparing values in JavaScript is one of the most common tasks. Yet, there are a lot of different details to bear in mind when doing so. This collection contains comprehensive explanations of the issues you may face and how to best work around them in your code.
What is the difference between JavaScript's equality operators?
JavaScript, Type
Learn all you need to know about the differences between JavaScript's double equals and triple equals operators.
What is the only value not equal to itself in JavaScript?
JavaScript, Type
Did you know there's a JavaScript value that's not equal to itself?
How do I compare two objects in JavaScript?
JavaScript, Object
Learn how you can compare two objects in JavaScript using various different techniques.
How do I compare two arrays in JavaScript?
JavaScript, Array
Learn how you can compare two arrays in JavaScript using various different techniques.
How do I compare two dates in JavaScript?
JavaScript, Date
Learn how you can compare two dates in JavaScript using various different techniques.
Check object equality
JavaScript, Object
Performs a deep comparison between two values to determine if they are equivalent.
Match object properties
JavaScript, Object
Compares two objects to determine if the first one contains equivalent property values to the second one.
Matches object properties based on function
JavaScript, Object
Compares two objects to determine if the first one contains equivalent property values to the second one, based on a provided function.
Check if arrays have same contents
JavaScript, Array
Checks if two arrays contain the same elements regardless of order.
Date is same as another date
JavaScript, Date
Checks if a date is the same as another date.