Sep 17, 2012 · change the function to this search(nameKey, prop, myArray) and the if clause to this if (myArray[i][prop]=== nameKey) { and you search for any properties inside the object

Jun 29, 2012 · With ES6 syntax you get to write this: If you're looking for index where peoples[index].attr1 == "john" use: Step 1. Use .map() to get an array of values given a particular key: The line above takes you from here: { "attr1": "bob", "attr2": "pizza" }, { "attr1": "john", "attr2": "sushi" }, { "attr1": "larry", "attr2": "hummus" } To here: Step 2.

Jul 8, 2009 · This keyExists(key, search) can be used to easily lookup a key within objects or arrays! Just pass it the key you want to find, and search obj (the object or array) you want to find it in.

Jun 28, 2024 · Finding the index of an object by key and value in an array involves iterating through the array and checking each object's key-value pair. Once a match is found, its index is returned.

Sep 27, 2024 · Extracting keys and values from an array of objects in JavaScript can be accomplished through various methods, each suited to different use cases. Whether you use forEach() with Object.entries(), the for...of loop, map(), or destructuring, these techniques will help you efficiently work with complex data structures.

Sep 20, 2023 · In this article, we have seen all of the possible ways in which we could check if a key or item exists in a JavaScript object/array. We show how to make use of the in operator, hasOwnProperty() method, and some method.

In this article, we will learn how to search and find an object in an array of objects based on particular criteria. First, we will discuss different ways in which we can find an object in an array and then move on to the different criteria through which we can search for the object.

Learn how to find objects by id in an array of objects in JavaScript using the Array.prototype.find () method and for loop.

Nov 6, 2023 · In this article, we‘ll explore two useful methods in JavaScript for finding and removing objects by their key values – findIndex() with splice(), and filter().

Apr 5, 2023 · To solve this problem, we can use various techniques such as looping through the array, built-in array methods, or third-party libraries. In this topic, we will explore different approaches to...