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https://stackoverflow.com › questions › 767486

How do I check if a variable is an array in JavaScript?

It takes the recommended Array.isArray() static method of EcmaScript 5+ and the old recommended way before ES5 and combines them so that you have a working function in both new and old JS versions: isArray = Array.isArray || function(value) { return Object.prototype.toString.call(value)=="[object Array]"; } isArray([]);//true

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array › ...

Array.isArray() - JavaScript | MDN - MDN Web Docs

Learn how to use Array.isArray () to check if a value is an array in JavaScript. See the syntax, parameters, return value, description, examples, and browser compatibility of this method.

https://www.w3schools.com › jsref › jsref_isarray.asp

JavaScript Array isArray() Method - W3Schools

Learn how to use the isArray() method to check if an object is an array in JavaScript. See examples, syntax, parameters, return value and browser support for this static property of the Array object.

https://www.w3schools.com › js › js_arrays.asp

JavaScript Arrays - W3Schools

Learn how to create, access, modify and loop through arrays in JavaScript. Find out the difference between arrays and objects, and how to use array methods such as push(), sort() and toString().

https://stackoverflow.com › questions › 5864408

JavaScript is in array - Stack Overflow

_.indexOf(array, value, [isSorted]) Returns the index at which value can be found in the array, or -1 if value is not present in the array. Uses the native indexOf function unless it's missing. If you're working with a large array, and you know that the array is already sorted, pass true for isSorted to use a faster binary search.

https://www.geeksforgeeks.org › how-to-check-if-a-variable-is-an-array-in-javascript

How to check if a variable is an array in JavaScript?

Learn different methods to determine if a variable is an array or not in JavaScript, such as isArray(), instanceof, constructor, length, and prototype. See syntax, examples, and output for each method.

How to check if a variable is an array in JavaScript?

https://www.javascripttutorial.net › array › how-to-check-if-a-variable-is-an-array-in...

How to Check If a Variable is an Array in JavaScript - JavaScript Tutorial

Learn how to use the Array.isArray() method and the instanceof operator to determine if a variable is an array in JavaScript. See examples, code snippets and browser support for both methods.

https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Array

Array - JavaScript | MDN - MDN Web Docs

Apprenez à utiliser l'objet global Array pour créer et manipuler des tableaux JavaScript, des objets semblables à des listes. Découvrez les propriétés, les méthodes et les opérations fréquentes des tableaux, ainsi que des exemples et des liens utiles.

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array

Array - JavaScript | MDN - MDN Web Docs

Learn about the Array object in JavaScript, which enables storing a collection of multiple items under a single variable name. Find out how to access, modify, copy, and iterate over array elements, and how to use array methods with empty slots and sparse arrays.

Array - JavaScript | MDN - MDN Web Docs

https://dmitripavlutin.com › is-array-javascript

3 Ways to Detect an Array in JavaScript - Dmitri Pavlutin Blog

Learn three ways to check if a value is an array in JavaScript: Array.isArray(), instanceof Array and toString() === '[object Array]'. Compare the pros and cons of each approach and see examples.