As of JULY 2018, this has been implemented in almost all major browsers, if you need to support an older browser a polyfill is available. Edit: Note that this returns false if the item in the array …

Sep 17, 2012 · I know similar questions have been asked before, but this one is a little different. I have an array of unnamed objects, which contain an array of named objects, and I need to get …

May 5, 2012 · The closest thing I can find is Array.prototype.some which tries to find if some element satisfies a given condition you pass to it in the form of a function. Unfortunately, this …

The following function uses Function.prototype.apply() to find the maximum element in a numeric array. getMaxOfArray([1, 2, 3]) is equivalent to Math.max(1, 2, 3), but you can use …

Find the value of the first element/object in the array, otherwise undefined is returned.

The splice() method changes the contents of an array by removing or replacing existing elements and/or adding new elements in place. N.B : In case you're working with reactive frameworks, it …

Dec 27, 2013 · I am trying to find the indexes of all the instances of an element, say, "Nano", in a JavaScript array.

Array.prototype. indexOf -> (returns index or -1) is generally used for finding index of element in array. This can also be used for searching object but only works if you are passing reference …

myArray.find(x => x.id === '45').foo; From MDN: The find() method returns the first value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is …

How do I remove a specific value from an array? Something like: array.remove(value); Constraints: I have to use core JavaScript. Frameworks are not allowed.