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Questions - object-literal

returning a value if a String includes the key

I have a JS Object Literal (logGroupMap) containing alarm names as keys, and their log groups as values. Alarm names are passed in with consistent names of varying length but with generated character...
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dulongj

javascript

arrow-functions

object-literal

Votes: 0

Answers: 1

Latest Answer

Use the Array.find() method to search for a matching key. To access a property dynamically, use logGroupMap[key]. logGroupMap.key returns the value of the property named key, it doesn't use key as a v...
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Barmar

How to filter an object according to specification given in another object?

I want to filter out data from an object according to specification given in another object. For example, consider the following BandAndAlbums object that holds raw data about 3 bands (Beatles, Aerosm...
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Emman

javascript

filter

object-literal

Votes: 0

Answers: 4

Latest Answer

I think below function will solve your requirement: const BandAndAlbums = { beatles: { origin: 'liverpool', genres: ['rock', 'pop', 'beat', 'psychedelia'], labels: ['parlophone', 'ap...
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Pran Paul

Is there a way to programmatically determine that a function is actually an object in Javascript?

In Javascript, functions are objects. Yet typeof of a function returns function instead of object for ECMAScript compatibility reasons. Is this function type actually some kind of wrapper for object t...
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brentonstrine

javascript

function

object

ecmascript-5

object-literal

Votes: 0

Answers: 1

Latest Answer

As the spec says: an object is a member of the built-in type Object; and a function is a callable object So Or in Javascript, is a function actually fundamentally different from objects? Not reall...
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CertainPerformance

Replacing switch statement with Object literal with booleans

I have this switch statement where a, b, c and d can be true or false, but only one of them is going to be true, and when one of them is true it returns X which is a variable. How can I replace this s...
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Efrain Mejia

switch-statement

javascript-objects

object-literal

Votes: 0

Answers: 0

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