JavaScript Object Snippets
The JavaScript snippet collection contains a wide variety of ES6 helper functions. It includes helpers for dealing with primitives, arrays and objects, as well as algorithms, DOM manipulation functions and Node.js utilities.
Matches object properties based on function
Compares two objects to determine if the first one contains equivalent property values to the second one, based on a provided function.
JavaScript, Object · Oct 21, 2020
Immutable JavaScript objects using the Proxy object
Freezing objects is not the only way to prevent mutations. Learn how you can leverage the Proxy object to your advantage.
JavaScript, Object · Apr 10, 2022
Pluck values from array of objects
Converts an array of objects into an array of values corresponding to the specified
key.JavaScript, Array · Oct 22, 2020
Size of array, object or string
Gets the size of an array, object or string.
JavaScript, Object · Jan 20, 2023
Bind object method
Creates a function that invokes a method at a key in an object, with optional additional parameters.
JavaScript, Function · Oct 18, 2020
JavaScript property enumerability
Property enumerability dictates how JavaScript object properties behave in different scenarios.
JavaScript, Object · Sep 11, 2022
What does a JavaScript constructor return?
The constructor is a crucial part of any JavaScript class, which is why you might want to take a closer look at what they return.
JavaScript, Function · Jun 12, 2021
Check if object is deep frozen
Checks if an object is deeply frozen.
JavaScript, Object · Oct 20, 2020
Check if object has value
Checks if the target value exists in a JSON object.
JavaScript, Object · Apr 10, 2023
How do I remove a property from a JavaScript object?
Ever wanted to delete a property from a JavaScript object? Here are a few way you can accomplish that.
JavaScript, Object · Jun 12, 2021
Bind function context
Creates a function that invokes
fnwith a given context, optionally prepending any additional supplied parameters to the arguments.JavaScript, Function · Oct 18, 2020
Match object properties
Compares two objects to determine if the first one contains equivalent property values to the second one.
JavaScript, Object · Nov 3, 2020
Object to pairs
Creates an array of key-value pair arrays from an object.
JavaScript, Object · Sep 15, 2020
Is JavaScript pass-by-value or pass-by-reference?
How JavaScript handles passing data is a source of confusion and bugs for many developers, especially when it comes to object types.
JavaScript, Function · Dec 5, 2021